{"version":"1.0.0","segments":[{"speaker":"Wojciech Wegrzynski","startTime":0.431,"endTime":1.001,"body":"Hello everybody."},{"speaker":"Wojciech Wegrzynski","startTime":1.001,"endTime":3.641,"body":"And welcome to the fire"},{"speaker":"Wojciech Wegrzynski","startTime":1.001,"endTime":3.641,"body":"science show session 65."},{"speaker":"Wojciech Wegrzynski","startTime":4.101,"endTime":5.541,"body":"For this week, I thought that."},{"speaker":"Wojciech Wegrzynski","startTime":5.713,"endTime":9.043,"body":"one tool that almost every"},{"speaker":"Wojciech Wegrzynski","startTime":5.713,"endTime":9.043,"body":"fire engineer uses or one of"},{"speaker":"Wojciech Wegrzynski","startTime":9.043,"endTime":11.113,"body":"the most used tools is a CFD."},{"speaker":"Wojciech Wegrzynski","startTime":11.683,"endTime":14.713,"body":"Computational fluid dynamics"},{"speaker":"Wojciech Wegrzynski","startTime":11.683,"endTime":14.713,"body":"modeling and in particular"},{"speaker":"Wojciech Wegrzynski","startTime":14.713,"endTime":16.413,"body":"Fire Dynamics, Simulator, FDS."},{"speaker":"Wojciech Wegrzynski","startTime":17.323,"endTime":19.813,"body":"Of tool that is like,"},{"speaker":"Wojciech Wegrzynski","startTime":17.323,"endTime":19.813,"body":"so overwhelmingly."},{"speaker":"Wojciech Wegrzynski","startTime":20.208,"endTime":22.038,"body":"Using the fire industry."},{"speaker":"Wojciech Wegrzynski","startTime":22.038,"endTime":24.451,"body":"It's one of the staples"},{"speaker":"Wojciech Wegrzynski","startTime":22.038,"endTime":24.451,"body":"and they did not get"},{"speaker":"Wojciech Wegrzynski","startTime":24.631,"endTime":25.471,"body":"much love on the podcast"},{"speaker":"Wojciech Wegrzynski","startTime":26.161,"endTime":27.631,"body":"We didn't talk that much."},{"speaker":"Wojciech Wegrzynski","startTime":28.141,"endTime":29.955,"body":"About using FDS."},{"speaker":"Wojciech Wegrzynski","startTime":29.955,"endTime":32.505,"body":"And what does it mean to use it?"},{"speaker":"Wojciech Wegrzynski","startTime":32.505,"endTime":33.525,"body":"How to use it properly?"},{"speaker":"Wojciech Wegrzynski","startTime":34.035,"endTime":37.125,"body":"I felt it would be a great"},{"speaker":"Wojciech Wegrzynski","startTime":34.035,"endTime":37.125,"body":"addition to the podcast series"},{"speaker":"Wojciech Wegrzynski","startTime":37.125,"endTime":38.985,"body":"two to discuss this subject."},{"speaker":"Wojciech Wegrzynski","startTime":39.315,"endTime":43.185,"body":"So instead of broadening your"},{"speaker":"Wojciech Wegrzynski","startTime":39.315,"endTime":43.185,"body":"horizons, as we usually do"},{"speaker":"Wojciech Wegrzynski","startTime":43.185,"endTime":44.255,"body":"on the Fire Science Show."},{"speaker":"Wojciech Wegrzynski","startTime":44.625,"endTime":47.265,"body":"This week, we're doubling"},{"speaker":"Wojciech Wegrzynski","startTime":44.625,"endTime":47.265,"body":"down on what we fire"},{"speaker":"Wojciech Wegrzynski","startTime":47.265,"endTime":48.495,"body":"engineers do every day."},{"speaker":"Wojciech Wegrzynski","startTime":48.495,"endTime":52.335,"body":"And we're diving very deep"},{"speaker":"Wojciech Wegrzynski","startTime":48.495,"endTime":52.335,"body":"into Five Dynamics Simulator."},{"speaker":"Wojciech Wegrzynski","startTime":52.365,"endTime":54.885,"body":"And obviously if you're"},{"speaker":"Wojciech Wegrzynski","startTime":52.365,"endTime":54.885,"body":"a north, one of the fire"},{"speaker":"Wojciech Wegrzynski","startTime":54.885,"endTime":56.355,"body":"engineers who use it daily or."},{"speaker":"Wojciech Wegrzynski","startTime":56.595,"endTime":58.965,"body":"All very often, or maybe"},{"speaker":"Wojciech Wegrzynski","startTime":56.595,"endTime":58.965,"body":"you don't use it at all."},{"speaker":"Wojciech Wegrzynski","startTime":59.325,"endTime":62.265,"body":"Uh, I guess it's still,"},{"speaker":"Wojciech Wegrzynski","startTime":59.325,"endTime":62.265,"body":"it's nice to listen and"},{"speaker":"Wojciech Wegrzynski","startTime":62.265,"endTime":64.695,"body":"build your expectations on"},{"speaker":"Wojciech Wegrzynski","startTime":62.265,"endTime":64.695,"body":"what you can expect from"},{"speaker":"Wojciech Wegrzynski","startTime":64.695,"endTime":66.975,"body":"numerical modeling of fires."},{"speaker":"Wojciech Wegrzynski","startTime":66.975,"endTime":69.945,"body":"And this episode goes"},{"speaker":"Wojciech Wegrzynski","startTime":66.975,"endTime":69.945,"body":"also beyond the modeling."},{"speaker":"Wojciech Wegrzynski","startTime":69.975,"endTime":71.955,"body":"So I guess it's going"},{"speaker":"Wojciech Wegrzynski","startTime":69.975,"endTime":71.955,"body":"to be interesting."},{"speaker":"Wojciech Wegrzynski","startTime":72.285,"endTime":73.155,"body":"It's almost everyone."},{"speaker":"Wojciech Wegrzynski","startTime":73.575,"endTime":75.315,"body":"My guest today is Dr."},{"speaker":"Wojciech Wegrzynski","startTime":75.315,"endTime":76.305,"body":"Jason Floyd."},{"speaker":"Wojciech Wegrzynski","startTime":76.455,"endTime":79.725,"body":"Jason is with Fire Safety"},{"speaker":"Wojciech Wegrzynski","startTime":76.455,"endTime":79.725,"body":"Research institute, UL."},{"speaker":"Wojciech Wegrzynski","startTime":80.415,"endTime":81.015,"body":"At the moment."},{"speaker":"Wojciech Wegrzynski","startTime":81.105,"endTime":85.095,"body":"And he's been with Jensen"},{"speaker":"Wojciech Wegrzynski","startTime":81.105,"endTime":85.095,"body":"Hughes for like 20 years."},{"speaker":"Wojciech Wegrzynski","startTime":85.095,"endTime":85.275,"body":"So."},{"speaker":"Wojciech Wegrzynski","startTime":85.905,"endTime":88.575,"body":"A huge chunk of his career"},{"speaker":"Wojciech Wegrzynski","startTime":85.905,"endTime":88.575,"body":"done in an engineering company."},{"speaker":"Wojciech Wegrzynski","startTime":89.415,"endTime":91.965,"body":"Jason is on the"},{"speaker":"Wojciech Wegrzynski","startTime":89.415,"endTime":91.965,"body":"FDS developer team."},{"speaker":"Wojciech Wegrzynski","startTime":91.965,"endTime":95.595,"body":"And he's very, very"},{"speaker":"Wojciech Wegrzynski","startTime":91.965,"endTime":95.595,"body":"knowledgeable about"},{"speaker":"Wojciech Wegrzynski","startTime":95.625,"endTime":97.125,"body":"how the software works."},{"speaker":"Wojciech Wegrzynski","startTime":97.695,"endTime":99.165,"body":"And the trigger"},{"speaker":"Wojciech Wegrzynski","startTime":97.695,"endTime":99.165,"body":"for this episode."},{"speaker":"Wojciech Wegrzynski","startTime":99.415,"endTime":100.675,"body":"Was actually a discussion."},{"speaker":"Wojciech Wegrzynski","startTime":100.684,"endTime":103.902,"body":"on issue tracker of FDS,"},{"speaker":"Wojciech Wegrzynski","startTime":100.684,"endTime":103.902,"body":"there's a Google groups."},{"speaker":"Wojciech Wegrzynski","startTime":104.762,"endTime":107.432,"body":"Um, that's called the issue"},{"speaker":"Wojciech Wegrzynski","startTime":104.762,"endTime":107.432,"body":"tracker where people submit"},{"speaker":"Wojciech Wegrzynski","startTime":107.432,"endTime":110.432,"body":"their problems with FDS"},{"speaker":"Wojciech Wegrzynski","startTime":107.432,"endTime":110.432,"body":"and modeling and the FDS"},{"speaker":"Wojciech Wegrzynski","startTime":110.432,"endTime":114.402,"body":"developer team is trying to"},{"speaker":"Wojciech Wegrzynski","startTime":110.432,"endTime":114.402,"body":"answer their questions or help"},{"speaker":"Wojciech Wegrzynski","startTime":115.172,"endTime":117.362,"body":"and there was an issue"},{"speaker":"Wojciech Wegrzynski","startTime":115.172,"endTime":117.362,"body":"where someone was asking"},{"speaker":"Wojciech Wegrzynski","startTime":117.362,"endTime":119.942,"body":"why increasing mesh"},{"speaker":"Wojciech Wegrzynski","startTime":117.362,"endTime":119.942,"body":"resolution does not improve."},{"speaker":"Wojciech Wegrzynski","startTime":120.332,"endTime":121.382,"body":"Their calculations."},{"speaker":"Wojciech Wegrzynski","startTime":121.382,"endTime":124.896,"body":"And, I felt it's like super"},{"speaker":"Wojciech Wegrzynski","startTime":121.382,"endTime":124.896,"body":"nice point to start because"},{"speaker":"Wojciech Wegrzynski","startTime":125.256,"endTime":128.856,"body":"one, what does it really mean"},{"speaker":"Wojciech Wegrzynski","startTime":125.256,"endTime":128.856,"body":"to increase the resolution?"},{"speaker":"Wojciech Wegrzynski","startTime":128.856,"endTime":130.956,"body":"And what does that"},{"speaker":"Wojciech Wegrzynski","startTime":128.856,"endTime":130.956,"body":"do to your solution?"},{"speaker":"Wojciech Wegrzynski","startTime":131.406,"endTime":134.526,"body":"And the second, what"},{"speaker":"Wojciech Wegrzynski","startTime":131.406,"endTime":134.526,"body":"is a better answer?"},{"speaker":"Wojciech Wegrzynski","startTime":134.526,"endTime":135.636,"body":"What's better accuracy."},{"speaker":"Wojciech Wegrzynski","startTime":135.636,"endTime":137.046,"body":"What's a better simulation."},{"speaker":"Wojciech Wegrzynski","startTime":138.345,"endTime":140.44,"body":"If you look at that"},{"speaker":"Wojciech Wegrzynski","startTime":138.345,"endTime":140.44,"body":"philosophically, it's"},{"speaker":"Wojciech Wegrzynski","startTime":140.44,"endTime":143.38,"body":"not that obvious what"},{"speaker":"Wojciech Wegrzynski","startTime":140.44,"endTime":143.38,"body":"simulation is better, which"},{"speaker":"Wojciech Wegrzynski","startTime":143.38,"endTime":145.09,"body":"one is closer to reality."},{"speaker":"Wojciech Wegrzynski","startTime":145.33,"endTime":148.36,"body":"What the reality really is,"},{"speaker":"Wojciech Wegrzynski","startTime":145.33,"endTime":148.36,"body":"what are the uncertainties of."},{"speaker":"Wojciech Wegrzynski","startTime":148.87,"endTime":150.52,"body":"The measurements"},{"speaker":"Wojciech Wegrzynski","startTime":148.87,"endTime":150.52,"body":"in the experiments."},{"speaker":"Wojciech Wegrzynski","startTime":150.79,"endTime":154.724,"body":"What are the inherent,"},{"speaker":"Wojciech Wegrzynski","startTime":150.79,"endTime":154.724,"body":"Differences between two"},{"speaker":"Wojciech Wegrzynski","startTime":154.994,"endTime":158.714,"body":"seemingly same fire experiments"},{"speaker":"Wojciech Wegrzynski","startTime":154.994,"endTime":158.714,"body":"and why you sometimes."},{"speaker":"Wojciech Wegrzynski","startTime":159.374,"endTime":162.014,"body":"Obtain two completely"},{"speaker":"Wojciech Wegrzynski","startTime":159.374,"endTime":162.014,"body":"different answers from them."},{"speaker":"Wojciech Wegrzynski","startTime":162.411,"endTime":164.781,"body":"this is something that Jason"},{"speaker":"Wojciech Wegrzynski","startTime":162.411,"endTime":164.781,"body":"has actually answered in the"},{"speaker":"Wojciech Wegrzynski","startTime":164.781,"endTime":169.371,"body":"issue tracker, and I've tried to"},{"speaker":"Wojciech Wegrzynski","startTime":164.781,"endTime":169.371,"body":"pull him further in this talk."},{"speaker":"Wojciech Wegrzynski","startTime":169.551,"endTime":172.281,"body":"So I think it's going to"},{"speaker":"Wojciech Wegrzynski","startTime":169.551,"endTime":172.281,"body":"be interesting to take."},{"speaker":"Wojciech Wegrzynski","startTime":172.581,"endTime":172.941,"body":"On."},{"speaker":"Wojciech Wegrzynski","startTime":173.172,"endTime":177.522,"body":"How do we model how simple"},{"speaker":"Wojciech Wegrzynski","startTime":173.172,"endTime":177.522,"body":"choices, like the choice of"},{"speaker":"Wojciech Wegrzynski","startTime":177.522,"endTime":181.032,"body":"mesh resolution, the choice"},{"speaker":"Wojciech Wegrzynski","startTime":177.522,"endTime":181.032,"body":"of your models, how they"},{"speaker":"Wojciech Wegrzynski","startTime":181.032,"endTime":182.652,"body":"affect your simulations?"},{"speaker":"Wojciech Wegrzynski","startTime":183.162,"endTime":186.132,"body":"And what the reality of"},{"speaker":"Wojciech Wegrzynski","startTime":183.162,"endTime":186.132,"body":"modeling fires and fire"},{"speaker":"Wojciech Wegrzynski","startTime":186.132,"endTime":188.262,"body":"experiments really, really is."},{"speaker":"Wojciech Wegrzynski","startTime":188.712,"endTime":191.142,"body":"So without further ado,"},{"speaker":"Wojciech Wegrzynski","startTime":188.712,"endTime":191.142,"body":"let's begin the intro"},{"speaker":"Wojciech Wegrzynski","startTime":191.142,"endTime":192.252,"body":"and jump into the episode"},{"speaker":"Wojciech Wegrzynski","startTime":216.236,"endTime":218.366,"body":"hello, everybody, I'm"},{"speaker":"Wojciech Wegrzynski","startTime":216.236,"endTime":218.366,"body":"today here with Dr."},{"speaker":"Wojciech Wegrzynski","startTime":218.366,"endTime":222.083,"body":"Jason Floyd from Fire Safety"},{"speaker":"Wojciech Wegrzynski","startTime":218.366,"endTime":222.083,"body":"Research Institute Hey Jason."},{"speaker":"Wojciech Wegrzynski","startTime":222.083,"endTime":223.313,"body":"Great to have you"},{"speaker":"Wojciech Wegrzynski","startTime":222.083,"endTime":223.313,"body":"in the podcast."},{"speaker":"Wojciech Wegrzynski","startTime":225.419,"endTime":227.033,"body":"Really happy to have"},{"speaker":"Wojciech Wegrzynski","startTime":225.419,"endTime":227.033,"body":"you on the show."},{"speaker":"Wojciech Wegrzynski","startTime":227.393,"endTime":230.403,"body":"This is a, rapid"},{"speaker":"Wojciech Wegrzynski","startTime":227.393,"endTime":230.403,"body":"development a few days ago."},{"speaker":"Wojciech Wegrzynski","startTime":230.403,"endTime":233.81,"body":"Um, Bryan Klein from"},{"speaker":"Wojciech Wegrzynski","startTime":230.403,"endTime":233.81,"body":"Thunderhead, has posted on"},{"speaker":"Wojciech Wegrzynski","startTime":233.81,"endTime":236.423,"body":"LinkedIn, an interesting,"},{"speaker":"Wojciech Wegrzynski","startTime":233.81,"endTime":236.423,"body":"post from the issue"},{"speaker":"Wojciech Wegrzynski","startTime":236.423,"endTime":240.37,"body":"tracker named find a match,"},{"speaker":"Wojciech Wegrzynski","startTime":236.423,"endTime":240.37,"body":"decrease the accuracy, where"},{"speaker":"Wojciech Wegrzynski","startTime":240.37,"endTime":242.08,"body":"someone's reporting on how."},{"speaker":"Wojciech Wegrzynski","startTime":242.775,"endTime":246.975,"body":"Changing the mesh in FDS"},{"speaker":"Wojciech Wegrzynski","startTime":242.775,"endTime":246.975,"body":"did not yield better results"},{"speaker":"Wojciech Wegrzynski","startTime":247.485,"endTime":249.645,"body":"for their hand calculations."},{"speaker":"Wojciech Wegrzynski","startTime":249.645,"endTime":252.835,"body":"And it's an interesting,"},{"speaker":"Wojciech Wegrzynski","startTime":249.645,"endTime":252.835,"body":"issue in this, your tracker,"},{"speaker":"Wojciech Wegrzynski","startTime":253.525,"endTime":254.965,"body":"but not very much related."},{"speaker":"Wojciech Wegrzynski","startTime":254.965,"endTime":258.205,"body":"So with, core of, of the S"},{"speaker":"Wojciech Wegrzynski","startTime":254.965,"endTime":258.205,"body":"I guess, but, uh, very much"},{"speaker":"Wojciech Wegrzynski","startTime":258.205,"endTime":262.105,"body":"related to how are we using the"},{"speaker":"Wojciech Wegrzynski","startTime":258.205,"endTime":262.105,"body":"modeling tools that we have."},{"speaker":"Wojciech Wegrzynski","startTime":262.105,"endTime":266.308,"body":"And, I immediately fell in love"},{"speaker":"Wojciech Wegrzynski","startTime":262.105,"endTime":266.308,"body":"with this, uh, with this issue,"},{"speaker":"Wojciech Wegrzynski","startTime":266.308,"endTime":268.558,"body":"if you can fall in love with"},{"speaker":"Wojciech Wegrzynski","startTime":266.308,"endTime":268.558,"body":"an issue, an issue tracker,"},{"speaker":"Wojciech Wegrzynski","startTime":268.558,"endTime":271.348,"body":"but it's really interesting,"},{"speaker":"Wojciech Wegrzynski","startTime":268.558,"endTime":271.348,"body":"like, because it pinpoints"},{"speaker":"Wojciech Wegrzynski","startTime":271.978,"endTime":275.638,"body":"the things that we should be"},{"speaker":"Wojciech Wegrzynski","startTime":271.978,"endTime":275.638,"body":"discussing when discussing CFD."},{"speaker":"Wojciech Wegrzynski","startTime":276.238,"endTime":282.028,"body":"So, um, I would love to jump"},{"speaker":"Wojciech Wegrzynski","startTime":276.238,"endTime":282.028,"body":"into this, uh, very deep."},{"speaker":"Wojciech Wegrzynski","startTime":282.418,"endTime":284.848,"body":"So tell me why fine"},{"speaker":"Wojciech Wegrzynski","startTime":282.418,"endTime":284.848,"body":"measure, decrease the"},{"speaker":"Wojciech Wegrzynski","startTime":284.848,"endTime":286.168,"body":"accuracy of this guy."},{"speaker":"Jason Floyd","startTime":286.573,"endTime":287.403,"body":"you know,"},{"speaker":"Jason Floyd","startTime":286.573,"endTime":287.403,"body":"there's a, there's a number"},{"speaker":"Jason Floyd","startTime":287.403,"endTime":291.153,"body":"of things potentially"},{"speaker":"Jason Floyd","startTime":287.403,"endTime":291.153,"body":"that are going on here."},{"speaker":"Jason Floyd","startTime":291.253,"endTime":292.963,"body":", in this particular"},{"speaker":"Jason Floyd","startTime":291.253,"endTime":292.963,"body":"case, the user was"},{"speaker":"Jason Floyd","startTime":292.963,"endTime":294.493,"body":"attempting to replicate."},{"speaker":"Jason Floyd","startTime":294.703,"endTime":298.697,"body":"I think it was a wood crib"},{"speaker":"Jason Floyd","startTime":294.703,"endTime":298.697,"body":"experiment, out of a paper."},{"speaker":"Jason Floyd","startTime":298.967,"endTime":299.687,"body":"Um, right."},{"speaker":"Jason Floyd","startTime":299.687,"endTime":302.467,"body":"So you always have, a"},{"speaker":"Jason Floyd","startTime":299.687,"endTime":302.467,"body":"number of difficulties"},{"speaker":"Jason Floyd","startTime":302.467,"endTime":303.397,"body":"with things like that."},{"speaker":"Jason Floyd","startTime":303.397,"endTime":306.467,"body":"I mean one, or if you, if you"},{"speaker":"Jason Floyd","startTime":303.397,"endTime":306.467,"body":"take , the same wood cribs,"},{"speaker":"Jason Floyd","startTime":306.467,"endTime":309.987,"body":"supposedly right in your, in"},{"speaker":"Jason Floyd","startTime":306.467,"endTime":309.987,"body":"you ignited multiple times,"},{"speaker":"Jason Floyd","startTime":310.157,"endTime":311.967,"body":"you're not going to get the"},{"speaker":"Jason Floyd","startTime":310.157,"endTime":311.967,"body":"same heat release rate curve."},{"speaker":"Jason Floyd","startTime":312.507,"endTime":314.607,"body":"Um, you know, they're"},{"speaker":"Jason Floyd","startTime":312.507,"endTime":314.607,"body":"going to be similar, right?"},{"speaker":"Jason Floyd","startTime":314.607,"endTime":317.68,"body":"You're going to get similar"},{"speaker":"Jason Floyd","startTime":314.607,"endTime":317.68,"body":"growth, similar peaks,  they're"},{"speaker":"Jason Floyd","startTime":317.68,"endTime":319.54,"body":"not going to be identical."},{"speaker":"Jason Floyd","startTime":319.54,"endTime":323.434,"body":"So, Assuming you had perfect"},{"speaker":"Jason Floyd","startTime":319.54,"endTime":323.434,"body":"properties and a perfectly"},{"speaker":"Jason Floyd","startTime":323.434,"endTime":325.654,"body":"tuned FDS model, right?"},{"speaker":"Jason Floyd","startTime":325.654,"endTime":327.484,"body":"This is, there's no"},{"speaker":"Jason Floyd","startTime":325.654,"endTime":327.484,"body":"guarantee that your model"},{"speaker":"Jason Floyd","startTime":327.484,"endTime":329.884,"body":"is going to match that"},{"speaker":"Jason Floyd","startTime":327.484,"endTime":329.884,"body":"kind of an experiment."},{"speaker":"Jason Floyd","startTime":330.184,"endTime":330.334,"body":"Right."},{"speaker":"Jason Floyd","startTime":330.334,"endTime":333.574,"body":"I mean, hopefully you're"},{"speaker":"Jason Floyd","startTime":330.334,"endTime":333.574,"body":"reasonably close, but, if"},{"speaker":"Jason Floyd","startTime":333.574,"endTime":335.614,"body":"everything is good in your"},{"speaker":"Jason Floyd","startTime":333.574,"endTime":335.614,"body":"model, but you're definitely"},{"speaker":"Jason Floyd","startTime":335.614,"endTime":336.574,"body":"not going to replicate it."},{"speaker":"Jason Floyd","startTime":336.574,"endTime":340.264,"body":"So the idea that changing"},{"speaker":"Jason Floyd","startTime":336.574,"endTime":340.264,"body":"the mess resolution in this"},{"speaker":"Jason Floyd","startTime":340.264,"endTime":342.544,"body":"particular case sort of"},{"speaker":"Jason Floyd","startTime":340.264,"endTime":342.544,"body":"pull his results further"},{"speaker":"Jason Floyd","startTime":342.544,"endTime":343.894,"body":"away from the experiment."},{"speaker":"Jason Floyd","startTime":344.404,"endTime":344.614,"body":"Right."},{"speaker":"Jason Floyd","startTime":344.614,"endTime":347.374,"body":"But you don't know how that"},{"speaker":"Jason Floyd","startTime":344.614,"endTime":347.374,"body":"single experiment relates"},{"speaker":"Jason Floyd","startTime":347.374,"endTime":349.894,"body":"to the mean behavior if"},{"speaker":"Jason Floyd","startTime":347.374,"endTime":349.894,"body":"you had repeated these"},{"speaker":"Jason Floyd","startTime":349.894,"endTime":350.764,"body":"tests a number of times."},{"speaker":"Jason Floyd","startTime":351.03,"endTime":353.61,"body":"so, so once the one sort"},{"speaker":"Jason Floyd","startTime":351.03,"endTime":353.61,"body":"of issue there is, right,"},{"speaker":"Jason Floyd","startTime":353.61,"endTime":354.96,"body":"you don't necessarily know."},{"speaker":"Jason Floyd","startTime":355.17,"endTime":355.41,"body":"Right."},{"speaker":"Jason Floyd","startTime":355.41,"endTime":357.48,"body":"What's, what's a"},{"speaker":"Jason Floyd","startTime":355.41,"endTime":357.48,"body":"good answer, right."},{"speaker":"Jason Floyd","startTime":357.48,"endTime":359.58,"body":"Just on basis of a single test."},{"speaker":"Jason Floyd","startTime":360.047,"endTime":362.46,"body":"and then, going into it,"},{"speaker":"Jason Floyd","startTime":360.047,"endTime":362.46,"body":"then there's also, right."},{"speaker":"Jason Floyd","startTime":362.46,"endTime":364.44,"body":"You know, if you're just"},{"speaker":"Jason Floyd","startTime":362.46,"endTime":364.44,"body":"doing two grid resolutions,"},{"speaker":"Jason Floyd","startTime":365.49,"endTime":368.37,"body":"you've not really demonstrated"},{"speaker":"Jason Floyd","startTime":365.49,"endTime":368.37,"body":"whether or not you sort of."},{"speaker":"Jason Floyd","startTime":368.657,"endTime":371.687,"body":"Great converge to some,"},{"speaker":"Jason Floyd","startTime":368.657,"endTime":371.687,"body":"you know, steady answer or"},{"speaker":"Jason Floyd","startTime":371.697,"endTime":373.067,"body":"if you gone finer again."},{"speaker":"Jason Floyd","startTime":373.877,"endTime":373.977,"body":"Right?"},{"speaker":"Jason Floyd","startTime":373.977,"endTime":375.767,"body":"I mean, there, there are things"},{"speaker":"Jason Floyd","startTime":373.977,"endTime":375.767,"body":"that happen at different length"},{"speaker":"Jason Floyd","startTime":375.767,"endTime":377.687,"body":"scales and the, in the solution."},{"speaker":"Jason Floyd","startTime":377.687,"endTime":380.114,"body":"And maybe the answer could"},{"speaker":"Jason Floyd","startTime":377.687,"endTime":380.114,"body":"have come back up a little"},{"speaker":"Jason Floyd","startTime":380.114,"endTime":382.564,"body":"bit, you know, if you had done"},{"speaker":"Jason Floyd","startTime":380.114,"endTime":382.564,"body":"a third grid resolution with"},{"speaker":"Jason Floyd","startTime":382.564,"endTime":385.924,"body":"this too, um, you know, you've"},{"speaker":"Jason Floyd","startTime":382.564,"endTime":385.924,"body":"not really established anything"},{"speaker":"Jason Floyd","startTime":385.924,"endTime":387.754,"body":"about grid, grid, resolution,"},{"speaker":"Wojciech Wegrzynski","startTime":388.145,"endTime":390.005,"body":"I think"},{"speaker":"Wojciech Wegrzynski","startTime":388.145,"endTime":390.005,"body":"it's interesting to even"},{"speaker":"Wojciech Wegrzynski","startTime":390.005,"endTime":391.895,"body":"move back a little bit."},{"speaker":"Wojciech Wegrzynski","startTime":392.345,"endTime":397.379,"body":"Why would one expect that,"},{"speaker":"Wojciech Wegrzynski","startTime":392.345,"endTime":397.379,"body":"making, finer mesh would improve"},{"speaker":"Wojciech Wegrzynski","startTime":397.379,"endTime":400.049,"body":"the accuracy of the simulation?"},{"speaker":"Wojciech Wegrzynski","startTime":400.563,"endTime":404.573,"body":"it's quite interesting to start"},{"speaker":"Wojciech Wegrzynski","startTime":400.563,"endTime":404.573,"body":"thinking about the fundamental"},{"speaker":"Wojciech Wegrzynski","startTime":404.573,"endTime":409.281,"body":"concepts of CFD, like, I"},{"speaker":"Wojciech Wegrzynski","startTime":404.573,"endTime":409.281,"body":"guess we all, to some extent"},{"speaker":"Wojciech Wegrzynski","startTime":409.281,"endTime":414.021,"body":"understands the implications"},{"speaker":"Wojciech Wegrzynski","startTime":409.281,"endTime":414.021,"body":"of the impact of mesh and the"},{"speaker":"Wojciech Wegrzynski","startTime":414.021,"endTime":418.401,"body":"discretization of space and"},{"speaker":"Wojciech Wegrzynski","startTime":414.021,"endTime":418.401,"body":"time on the results of CFD."},{"speaker":"Wojciech Wegrzynski","startTime":418.401,"endTime":421.364,"body":"But, I wonder, like I"},{"speaker":"Wojciech Wegrzynski","startTime":418.401,"endTime":421.364,"body":"see it all the time."},{"speaker":"Wojciech Wegrzynski","startTime":421.544,"endTime":424.634,"body":"People would associated"},{"speaker":"Wojciech Wegrzynski","startTime":421.544,"endTime":424.634,"body":"smaller meshes with better"},{"speaker":"Wojciech Wegrzynski","startTime":424.634,"endTime":428.324,"body":"results, you know, and it's"},{"speaker":"Wojciech Wegrzynski","startTime":424.634,"endTime":428.324,"body":"always finding guests as"},{"speaker":"Wojciech Wegrzynski","startTime":428.324,"endTime":430.724,"body":"large mesh as applicable."},{"speaker":"Wojciech Wegrzynski","startTime":431.354,"endTime":434.804,"body":"However, on the contrary, I"},{"speaker":"Wojciech Wegrzynski","startTime":431.354,"endTime":434.804,"body":"also have the feeling that"},{"speaker":"Wojciech Wegrzynski","startTime":434.804,"endTime":437.054,"body":"it's not size that matters."},{"speaker":"Wojciech Wegrzynski","startTime":437.054,"endTime":442.733,"body":"It's To what extent your"},{"speaker":"Wojciech Wegrzynski","startTime":437.054,"endTime":442.733,"body":"mash or your numerical domain"},{"speaker":"Wojciech Wegrzynski","startTime":443.273,"endTime":446.633,"body":"is fit for the problem at"},{"speaker":"Wojciech Wegrzynski","startTime":443.273,"endTime":446.633,"body":"hand, for the scale of the"},{"speaker":"Wojciech Wegrzynski","startTime":446.633,"endTime":448.249,"body":"problem you're solving."},{"speaker":"Wojciech Wegrzynski","startTime":448.249,"endTime":451.099,"body":"So I think this is an"},{"speaker":"Wojciech Wegrzynski","startTime":448.249,"endTime":451.099,"body":"interesting direction."},{"speaker":"Wojciech Wegrzynski","startTime":451.099,"endTime":453.969,"body":"Of what way do you think"},{"speaker":"Wojciech Wegrzynski","startTime":451.099,"endTime":453.969,"body":"are we associate finer"},{"speaker":"Wojciech Wegrzynski","startTime":453.969,"endTime":455.259,"body":"mesh with better solution?"},{"speaker":"Wojciech Wegrzynski","startTime":455.259,"endTime":459.609,"body":"And is this something"},{"speaker":"Wojciech Wegrzynski","startTime":455.259,"endTime":459.609,"body":"we should associate or I"},{"speaker":"Jason Floyd","startTime":459.894,"endTime":462.654,"body":"I think a lot of"},{"speaker":"Jason Floyd","startTime":459.894,"endTime":462.654,"body":"times when people think about"},{"speaker":"Jason Floyd","startTime":462.654,"endTime":469.249,"body":"CFD third, mind sort of goes"},{"speaker":"Jason Floyd","startTime":462.654,"endTime":469.249,"body":"to the fluid flow solution."},{"speaker":"Jason Floyd","startTime":469.279,"endTime":473.929,"body":"And, they're, you know, this"},{"speaker":"Jason Floyd","startTime":469.279,"endTime":473.929,"body":"sort of is this expectation"},{"speaker":"Jason Floyd","startTime":474.079,"endTime":477.139,"body":"that if you start with a"},{"speaker":"Jason Floyd","startTime":474.079,"endTime":477.139,"body":"really coarse mesh and start"},{"speaker":"Jason Floyd","startTime":477.139,"endTime":480.983,"body":"making it finer and finer,"},{"speaker":"Jason Floyd","startTime":477.139,"endTime":480.983,"body":"you should get better."},{"speaker":"Jason Floyd","startTime":481.823,"endTime":484.823,"body":"Resolution of the flow"},{"speaker":"Jason Floyd","startTime":481.823,"endTime":484.823,"body":"field for, for a set"},{"speaker":"Jason Floyd","startTime":484.823,"endTime":486.443,"body":"of known inputs right."},{"speaker":"Jason Floyd","startTime":486.443,"endTime":487.523,"body":"To, to the model."},{"speaker":"Jason Floyd","startTime":487.929,"endTime":492.773,"body":"so I think this idea comes from,"},{"speaker":"Jason Floyd","startTime":487.929,"endTime":492.773,"body":"that, um, you know, that if"},{"speaker":"Jason Floyd","startTime":492.773,"endTime":495.823,"body":"you're not fine enough to sort"},{"speaker":"Jason Floyd","startTime":492.773,"endTime":495.823,"body":"of resolve the important link"},{"speaker":"Jason Floyd","startTime":495.823,"endTime":499.543,"body":"skills for your flow, you know,"},{"speaker":"Jason Floyd","startTime":495.823,"endTime":499.543,"body":"as you get that resolution to"},{"speaker":"Jason Floyd","startTime":499.543,"endTime":501.933,"body":"those length scales you know,"},{"speaker":"Jason Floyd","startTime":499.543,"endTime":501.933,"body":"hopefully you should get a"},{"speaker":"Jason Floyd","startTime":501.943,"endTime":505.033,"body":"better answer, , but in this"},{"speaker":"Jason Floyd","startTime":501.943,"endTime":505.033,"body":"case, we've got this also this"},{"speaker":"Jason Floyd","startTime":505.033,"endTime":507.129,"body":"pyrolysis problem going on."},{"speaker":"Jason Floyd","startTime":507.129,"endTime":512.819,"body":"So, one of the resolutions being"},{"speaker":"Jason Floyd","startTime":507.129,"endTime":512.819,"body":"used here adequate for trying"},{"speaker":"Jason Floyd","startTime":512.819,"endTime":515.249,"body":"to predict this would create,"},{"speaker":"Jason Floyd","startTime":512.819,"endTime":515.249,"body":"and we predicting pyrolysis"},{"speaker":"Jason Floyd","startTime":515.249,"endTime":518.743,"body":"is still very challenging,"},{"speaker":"Jason Floyd","startTime":515.249,"endTime":518.743,"body":"in any of , these models and"},{"speaker":"Jason Floyd","startTime":518.743,"endTime":523.046,"body":"just measuring the parameters"},{"speaker":"Jason Floyd","startTime":518.743,"endTime":523.046,"body":"and how you get, these"},{"speaker":"Jason Floyd","startTime":523.496,"endTime":525.356,"body":"engineering grid scales to."},{"speaker":"Jason Floyd","startTime":526.098,"endTime":527.964,"body":"Really give you a"},{"speaker":"Jason Floyd","startTime":526.098,"endTime":527.964,"body":"good flame spread you,"},{"speaker":"Jason Floyd","startTime":527.964,"endTime":529.134,"body":"not resolving flames."},{"speaker":"Jason Floyd","startTime":529.164,"endTime":531.864,"body":"There's a lot of"},{"speaker":"Jason Floyd","startTime":529.164,"endTime":531.864,"body":"ongoing work there."},{"speaker":"Jason Floyd","startTime":531.864,"endTime":535.074,"body":"So, um, there, it's not"},{"speaker":"Jason Floyd","startTime":531.864,"endTime":535.074,"body":"necessarily clear that in all"},{"speaker":"Jason Floyd","startTime":535.074,"endTime":539.898,"body":"cases, reducing grid resolution"},{"speaker":"Jason Floyd","startTime":535.074,"endTime":539.898,"body":"is going to make things better."},{"speaker":"Jason Floyd","startTime":539.928,"endTime":540.108,"body":"Right?"},{"speaker":"Jason Floyd","startTime":540.108,"endTime":545.498,"body":"I mean, there are, um,"},{"speaker":"Jason Floyd","startTime":540.108,"endTime":545.498,"body":"within FDS, some correlations"},{"speaker":"Jason Floyd","startTime":545.498,"endTime":549.368,"body":"related to heat transfer"},{"speaker":"Jason Floyd","startTime":545.498,"endTime":549.368,"body":"and other things where, you"},{"speaker":"Jason Floyd","startTime":549.368,"endTime":552.278,"body":"know, those, don't always"},{"speaker":"Jason Floyd","startTime":549.368,"endTime":552.278,"body":"at this point transition."},{"speaker":"Jason Floyd","startTime":552.518,"endTime":556.091,"body":"Well,  from course"},{"speaker":"Jason Floyd","startTime":552.518,"endTime":556.091,"body":"resolution to extremely fine"},{"speaker":"Jason Floyd","startTime":556.121,"endTime":557.681,"body":"resolution in all cases."},{"speaker":"Jason Floyd","startTime":557.681,"endTime":559.541,"body":"I mean, somebody, something"},{"speaker":"Jason Floyd","startTime":557.681,"endTime":559.541,"body":"we're working on, but it's not"},{"speaker":"Jason Floyd","startTime":559.541,"endTime":562.181,"body":"a, that's not a solved problem."},{"speaker":"Wojciech Wegrzynski","startTime":562.323,"endTime":564.043,"body":"I really"},{"speaker":"Wojciech Wegrzynski","startTime":562.323,"endTime":564.043,"body":"wonder from your experiences"},{"speaker":"Wojciech Wegrzynski","startTime":564.043,"endTime":568.279,"body":"as a developer, how far did"},{"speaker":"Wojciech Wegrzynski","startTime":564.043,"endTime":568.279,"body":"people go with mesh sensitivity?"},{"speaker":"Wojciech Wegrzynski","startTime":568.279,"endTime":572.039,"body":"Like how small measures have"},{"speaker":"Wojciech Wegrzynski","startTime":568.279,"endTime":572.039,"body":"you seen for real, , problems?"},{"speaker":"Wojciech Wegrzynski","startTime":572.039,"endTime":576.239,"body":"Has anyone taken FDS two,"},{"speaker":"Wojciech Wegrzynski","startTime":572.039,"endTime":576.239,"body":"like sub millimeter scales or."},{"speaker":", Jason Floyd","startTime":577.009,"endTime":578.819,"body":"I mean, some"},{"speaker":", Jason Floyd","startTime":577.009,"endTime":578.819,"body":"millimeter scales, , that's"},{"speaker":", Jason Floyd","startTime":578.819,"endTime":584.869,"body":"only been sort of single"},{"speaker":", Jason Floyd","startTime":578.819,"endTime":584.869,"body":"playing, like a slot burner,"},{"speaker":", Jason Floyd","startTime":585.649,"endTime":589.129,"body":"um, some domain like that,"},{"speaker":", Jason Floyd","startTime":585.649,"endTime":589.129,"body":"where you're only talking about,"},{"speaker":", Jason Floyd","startTime":589.699,"endTime":594.743,"body":"centimeters of, of, of domain"},{"speaker":", Jason Floyd","startTime":589.699,"endTime":594.743,"body":"size, on any sort of, you know,"},{"speaker":", Jason Floyd","startTime":594.753,"endTime":598.373,"body":"engineering type problem, we're"},{"speaker":", Jason Floyd","startTime":594.753,"endTime":598.373,"body":"dealing with a compartment."},{"speaker":", Jason Floyd","startTime":598.953,"endTime":603.743,"body":"I'm not sure I've really seen"},{"speaker":", Jason Floyd","startTime":598.953,"endTime":603.743,"body":"anything in a paper or any"},{"speaker":", Jason Floyd","startTime":603.743,"endTime":607.689,"body":"presentation, we're criticized"},{"speaker":", Jason Floyd","startTime":603.743,"endTime":607.689,"body":"as a drop below a little more"},{"speaker":", Jason Floyd","startTime":607.689,"endTime":610.719,"body":"than a couple of centimeters"},{"speaker":", Jason Floyd","startTime":607.689,"endTime":610.719,"body":"on, you know, on that scale."},{"speaker":"Wojciech Wegrzynski","startTime":611.325,"endTime":612.338,"body":"it's, it's not the cheap"},{"speaker":"Wojciech Wegrzynski","startTime":612.368,"endTime":613.418,"body":"thing to do because it,"},{"speaker":"Jason Floyd","startTime":613.893,"endTime":614.043,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":614.053,"endTime":614.893,"body":"It gets very expensive."},{"speaker":"Wojciech Wegrzynski","startTime":615.818,"endTime":616.958,"body":"it influences not only"},{"speaker":"Wojciech Wegrzynski","startTime":616.958,"endTime":619.088,"body":"the number of elements,"},{"speaker":"Wojciech Wegrzynski","startTime":616.958,"endTime":619.088,"body":"but also the timestamp."},{"speaker":"Wojciech Wegrzynski","startTime":619.118,"endTime":622.471,"body":"So there's a big cost"},{"speaker":"Wojciech Wegrzynski","startTime":619.118,"endTime":622.471,"body":"associated with, dropping"},{"speaker":"Wojciech Wegrzynski","startTime":622.471,"endTime":625.748,"body":"the mesh, which is also the"},{"speaker":"Wojciech Wegrzynski","startTime":622.471,"endTime":625.748,"body":"reason why many people would,"},{"speaker":"Wojciech Wegrzynski","startTime":625.748,"endTime":629.068,"body":"try to get the, with, as"},{"speaker":"Wojciech Wegrzynski","startTime":625.748,"endTime":629.068,"body":"course meshes as they can."},{"speaker":"Wojciech Wegrzynski","startTime":629.668,"endTime":633.548,"body":"In, in many cases, I see,"},{"speaker":"Wojciech Wegrzynski","startTime":629.668,"endTime":633.548,"body":"um, mesh resolution studies"},{"speaker":"Wojciech Wegrzynski","startTime":633.724,"endTime":637.514,"body":"perform just to have a reason"},{"speaker":"Wojciech Wegrzynski","startTime":633.724,"endTime":637.514,"body":"why I have pick the course mesh"},{"speaker":"Wojciech Wegrzynski","startTime":637.904,"endTime":640.778,"body":"where, the choice was done even"},{"speaker":"Wojciech Wegrzynski","startTime":637.904,"endTime":640.778,"body":"before the mesh study, because"},{"speaker":"Wojciech Wegrzynski","startTime":640.778,"endTime":642.121,"body":"that's a, what's your, okay."},{"speaker":"Wojciech Wegrzynski","startTime":642.121,"endTime":645.038,"body":"With your calculation time"},{"speaker":"Wojciech Wegrzynski","startTime":642.121,"endTime":645.038,"body":"now to think about the"},{"speaker":"Wojciech Wegrzynski","startTime":645.038,"endTime":648.651,"body":"flow problem, like where"},{"speaker":"Wojciech Wegrzynski","startTime":645.038,"endTime":648.651,"body":"would you need a fine mesh?"},{"speaker":"Wojciech Wegrzynski","startTime":648.681,"endTime":651.891,"body":"I mean, if you, even, if you"},{"speaker":"Wojciech Wegrzynski","startTime":648.681,"endTime":651.891,"body":"consider like a system, like"},{"speaker":"Wojciech Wegrzynski","startTime":651.891,"endTime":655.103,"body":"a pipe or something, the"},{"speaker":"Wojciech Wegrzynski","startTime":651.891,"endTime":655.103,"body":"places where you have high"},{"speaker":"Wojciech Wegrzynski","startTime":655.103,"endTime":658.633,"body":"gradients of, of variables"},{"speaker":"Wojciech Wegrzynski","startTime":655.103,"endTime":658.633,"body":"like velocity or pressures or"},{"speaker":"Wojciech Wegrzynski","startTime":659.083,"endTime":662.173,"body":"sheer stress or something else"},{"speaker":"Wojciech Wegrzynski","startTime":659.083,"endTime":662.173,"body":"is, is the boundary layer."},{"speaker":"Wojciech Wegrzynski","startTime":662.173,"endTime":666.023,"body":"Like just as the other walls"},{"speaker":"Wojciech Wegrzynski","startTime":662.173,"endTime":666.023,"body":"in the middle of the pipe"},{"speaker":"Wojciech Wegrzynski","startTime":666.043,"endTime":669.796,"body":"can go with a very large,"},{"speaker":"Wojciech Wegrzynski","startTime":666.043,"endTime":669.796,"body":"uh, numerical elements."},{"speaker":"Wojciech Wegrzynski","startTime":669.796,"endTime":672.216,"body":"And that will, be good enough."},{"speaker":"Wojciech Wegrzynski","startTime":672.453,"endTime":674.163,"body":"it's, there's not"},{"speaker":"Wojciech Wegrzynski","startTime":672.453,"endTime":674.163,"body":"much happening there."},{"speaker":"Wojciech Wegrzynski","startTime":674.163,"endTime":675.273,"body":"You have an average flow."},{"speaker":"Wojciech Wegrzynski","startTime":675.693,"endTime":680.613,"body":"so this tiny meshes are"},{"speaker":"Wojciech Wegrzynski","startTime":675.693,"endTime":680.613,"body":"often needed for, for the"},{"speaker":"Wojciech Wegrzynski","startTime":680.613,"endTime":683.103,"body":"boundary layer problems,"},{"speaker":"Wojciech Wegrzynski","startTime":680.613,"endTime":683.103,"body":"which let's face it."},{"speaker":"Wojciech Wegrzynski","startTime":683.103,"endTime":684.963,"body":"We don't have that"},{"speaker":"Wojciech Wegrzynski","startTime":683.103,"endTime":684.963,"body":"many in, in fire."},{"speaker":"Wojciech Wegrzynski","startTime":685.413,"endTime":688.653,"body":"I mean, we're working with"},{"speaker":"Wojciech Wegrzynski","startTime":685.413,"endTime":688.653,"body":"fairly low, uh, flow velocities."},{"speaker":"Wojciech Wegrzynski","startTime":688.653,"endTime":691.399,"body":"And, in terms of like"},{"speaker":"Wojciech Wegrzynski","startTime":688.653,"endTime":691.399,"body":"compartment fires are"},{"speaker":"Wojciech Wegrzynski","startTime":691.399,"endTime":692.449,"body":"burning in buildings."},{"speaker":"Wojciech Wegrzynski","startTime":693.045,"endTime":695.873,"body":"you deal a lot more with it,"},{"speaker":"Wojciech Wegrzynski","startTime":693.045,"endTime":695.873,"body":"like in men then, and free"},{"speaker":"Wojciech Wegrzynski","startTime":695.873,"endTime":701.438,"body":"plumes and, Some small velocity"},{"speaker":"Wojciech Wegrzynski","startTime":695.873,"endTime":701.438,"body":"flows caused by inlets outlets."},{"speaker":"Wojciech Wegrzynski","startTime":702.484,"endTime":705.634,"body":"from your experience like vast"},{"speaker":"Wojciech Wegrzynski","startTime":702.484,"endTime":705.634,"body":"experience as, an engineer."},{"speaker":"Wojciech Wegrzynski","startTime":706.131,"endTime":708.981,"body":"did you ever felt, need"},{"speaker":"Wojciech Wegrzynski","startTime":706.131,"endTime":708.981,"body":"to really explore this,"},{"speaker":"Wojciech Wegrzynski","startTime":709.006,"endTime":712.838,"body":"super fine mesh for a"},{"speaker":"Wojciech Wegrzynski","startTime":709.006,"endTime":712.838,"body":"real real project problem."},{"speaker":"Jason Floyd","startTime":713.244,"endTime":716.244,"body":"Um, yeah, I think"},{"speaker":"Jason Floyd","startTime":713.244,"endTime":716.244,"body":"the cases that I've encountered"},{"speaker":"Jason Floyd","startTime":716.244,"endTime":719.064,"body":"where you sort of need to pay a"},{"speaker":"Jason Floyd","startTime":716.244,"endTime":719.064,"body":"lot more attention to the mesh"},{"speaker":"Jason Floyd","startTime":719.154,"endTime":722.128,"body":"or where your, where something"},{"speaker":"Jason Floyd","startTime":719.154,"endTime":722.128,"body":"important you're trying to"},{"speaker":"Jason Floyd","startTime":722.128,"endTime":726.851,"body":"get deal with is, , flow"},{"speaker":"Jason Floyd","startTime":722.128,"endTime":726.851,"body":"through an opening as being,"},{"speaker":"Jason Floyd","startTime":726.911,"endTime":729.371,"body":"you know, an important part"},{"speaker":"Jason Floyd","startTime":726.911,"endTime":729.371,"body":"of what it is you're trying"},{"speaker":"Jason Floyd","startTime":729.371,"endTime":732.914,"body":"to do , with the model flow is"},{"speaker":"Jason Floyd","startTime":729.371,"endTime":732.914,"body":"being purely driven by points,"},{"speaker":"Jason Floyd","startTime":733.004,"endTime":737.234,"body":"not by some kind of mechanical"},{"speaker":"Jason Floyd","startTime":733.004,"endTime":737.234,"body":"ventilator system, in which"},{"speaker":"Jason Floyd","startTime":737.234,"endTime":740.084,"body":"case, , that defines the flow."},{"speaker":"Jason Floyd","startTime":740.084,"endTime":743.144,"body":"But if you're actually trying"},{"speaker":"Jason Floyd","startTime":740.084,"endTime":743.144,"body":"to predict flow through"},{"speaker":"Jason Floyd","startTime":743.234,"endTime":747.084,"body":"an opening, through like a"},{"speaker":"Jason Floyd","startTime":743.234,"endTime":747.084,"body":"doorway or a window or some"},{"speaker":"Jason Floyd","startTime":747.084,"endTime":751.038,"body":"other small, orifice, if"},{"speaker":"Jason Floyd","startTime":747.084,"endTime":751.038,"body":"you want to sort of get some"},{"speaker":"Jason Floyd","startTime":751.038,"endTime":754.248,"body":"reasonable answer in terms of"},{"speaker":"Jason Floyd","startTime":751.038,"endTime":754.248,"body":"the pressure drop or the flow,"},{"speaker":"Jason Floyd","startTime":754.581,"endTime":755.451,"body":"you know, you can't just put."},{"speaker":"Jason Floyd","startTime":755.661,"endTime":758.391,"body":"couple of grid cells"},{"speaker":"Jason Floyd","startTime":755.661,"endTime":758.391,"body":"opening, you know, you're"},{"speaker":"Jason Floyd","startTime":758.901,"endTime":761.454,"body":"gotta be up, sort of"},{"speaker":"Jason Floyd","startTime":758.901,"endTime":761.454,"body":"double-digit kind of cells."},{"speaker":"Jason Floyd","startTime":761.454,"endTime":763.254,"body":"If you were on, uh, start"},{"speaker":"Jason Floyd","startTime":761.454,"endTime":763.254,"body":"talking about getting"},{"speaker":"Jason Floyd","startTime":763.664,"endTime":766.644,"body":"something good, whatever good."},{"speaker":"Wojciech Wegrzynski","startTime":766.929,"endTime":769.329,"body":"Because"},{"speaker":"Wojciech Wegrzynski","startTime":766.929,"endTime":769.329,"body":"in this case, again, you have"},{"speaker":"Wojciech Wegrzynski","startTime":769.329,"endTime":771.123,"body":"the boundary layer problem."},{"speaker":"Wojciech Wegrzynski","startTime":771.243,"endTime":775.383,"body":"There is an edge which creates"},{"speaker":"Wojciech Wegrzynski","startTime":771.243,"endTime":775.383,"body":"a disturbance on the flow,"},{"speaker":"Jason Floyd","startTime":775.614,"endTime":779.874,"body":"I need to capture"},{"speaker":"Jason Floyd","startTime":775.614,"endTime":779.874,"body":"that flow narrowing in you."},{"speaker":"Jason Floyd","startTime":779.874,"endTime":784.704,"body":"You've got to give the model"},{"speaker":"Jason Floyd","startTime":779.874,"endTime":784.704,"body":"some chance to resolve some kind"},{"speaker":"Jason Floyd","startTime":784.704,"endTime":788.724,"body":"of vortex on either side of that"},{"speaker":"Jason Floyd","startTime":784.704,"endTime":788.724,"body":"opening and then the opening and"},{"speaker":"Jason Floyd","startTime":788.878,"endTime":791.864,"body":", that minimum number of grid"},{"speaker":"Jason Floyd","startTime":788.878,"endTime":791.864,"body":"cells you need to, to do that."},{"speaker":"Jason Floyd","startTime":792.438,"endTime":795.454,"body":"you know, in cases where, you're"},{"speaker":"Jason Floyd","startTime":792.438,"endTime":795.454,"body":"really trying to define the"},{"speaker":"Jason Floyd","startTime":795.454,"endTime":798.064,"body":"flow through small openings,"},{"speaker":"Jason Floyd","startTime":795.454,"endTime":798.064,"body":"you know, I think, that's"},{"speaker":"Jason Floyd","startTime":798.634,"endTime":802.408,"body":"where that critical part of"},{"speaker":"Jason Floyd","startTime":798.634,"endTime":802.408,"body":"your answer, place where you"},{"speaker":"Jason Floyd","startTime":802.408,"endTime":806.054,"body":"might need to pay attention"},{"speaker":"Jason Floyd","startTime":802.408,"endTime":806.054,"body":"to, to grid size, No, there"},{"speaker":"Jason Floyd","startTime":806.054,"endTime":808.424,"body":"aren't necessarily a lot of"},{"speaker":"Jason Floyd","startTime":806.054,"endTime":808.424,"body":"problems for us where that's"},{"speaker":"Jason Floyd","startTime":808.844,"endTime":811.961,"body":"very important, most of the"},{"speaker":"Jason Floyd","startTime":808.844,"endTime":811.961,"body":"time or, you know, people using"},{"speaker":"Jason Floyd","startTime":812.232,"endTime":814.961,"body":"a lot of the usage of things"},{"speaker":"Jason Floyd","startTime":812.232,"endTime":814.961,"body":"like, you know, ventilation"},{"speaker":"Jason Floyd","startTime":814.961,"endTime":817.891,"body":"systems for fire, where they're"},{"speaker":"Jason Floyd","startTime":814.961,"endTime":817.891,"body":"mechanically driven, very few"},{"speaker":"Jason Floyd","startTime":817.891,"endTime":821.551,"body":"cells across the opening because"},{"speaker":"Jason Floyd","startTime":817.891,"endTime":821.551,"body":"whatever it needs to make up,"},{"speaker":"Jason Floyd","startTime":821.551,"endTime":822.981,"body":"what you're exhausted elsewhere."},{"speaker":"Wojciech Wegrzynski","startTime":824.131,"endTime":825.721,"body":"So"},{"speaker":"Wojciech Wegrzynski","startTime":824.131,"endTime":825.721,"body":"in the cases, I mean, that"},{"speaker":"Wojciech Wegrzynski","startTime":825.721,"endTime":829.531,"body":"was the topic of Ida, I"},{"speaker":"Wojciech Wegrzynski","startTime":825.721,"endTime":829.531,"body":"think 2014 or 15, everyone"},{"speaker":"Wojciech Wegrzynski","startTime":829.531,"endTime":830.551,"body":"was dealing with jet fans."},{"speaker":"Wojciech Wegrzynski","startTime":830.911,"endTime":833.791,"body":"And, I think I remember issue"},{"speaker":"Wojciech Wegrzynski","startTime":830.911,"endTime":833.791,"body":"tracker being flooded by"},{"speaker":"Wojciech Wegrzynski","startTime":834.091,"endTime":837.871,"body":"jet fun, uh, topics like my"},{"speaker":"Wojciech Wegrzynski","startTime":834.091,"endTime":837.871,"body":"FDS does not solve jet fans."},{"speaker":"Wojciech Wegrzynski","startTime":837.871,"endTime":839.911,"body":"I don't have good, good results."},{"speaker":"Wojciech Wegrzynski","startTime":839.911,"endTime":840.001,"body":"And"},{"speaker":"Jason Floyd","startTime":840.011,"endTime":843.491,"body":"I definitely, you"},{"speaker":"Jason Floyd","startTime":840.011,"endTime":843.491,"body":"know, you need fairly decent."},{"speaker":"Jason Floyd","startTime":843.491,"endTime":848.051,"body":"I mean, if you want to sort"},{"speaker":"Jason Floyd","startTime":843.491,"endTime":848.051,"body":"of really resolve that flow"},{"speaker":"Jason Floyd","startTime":848.051,"endTime":851.891,"body":"in the core of the jet and"},{"speaker":"Jason Floyd","startTime":848.051,"endTime":851.891,"body":"get something that looks"},{"speaker":"Jason Floyd","startTime":852.251,"endTime":855.581,"body":"correct in terms of the"},{"speaker":"Jason Floyd","startTime":852.251,"endTime":855.581,"body":"penetration distance of a jet."},{"speaker":"Jason Floyd","startTime":856.724,"endTime":860.071,"body":"you've got to be putting like,"},{"speaker":"Jason Floyd","startTime":856.724,"endTime":860.071,"body":"a dozen, a couple dozen cells"},{"speaker":"Jason Floyd","startTime":860.071,"endTime":863.971,"body":"across your jet at least,"},{"speaker":"Jason Floyd","startTime":860.071,"endTime":863.971,"body":"um, you know, to get that."},{"speaker":"Jason Floyd","startTime":863.971,"endTime":866.381,"body":"And that's, you know, something"},{"speaker":"Jason Floyd","startTime":863.971,"endTime":866.381,"body":"I've seen in, some work I've"},{"speaker":"Jason Floyd","startTime":866.381,"endTime":868.871,"body":"reviewed where people doing"},{"speaker":"Jason Floyd","startTime":866.381,"endTime":868.871,"body":"like a slot diffuser and a"},{"speaker":"Jason Floyd","startTime":868.871,"endTime":873.881,"body":"ceiling put the one across"},{"speaker":"Jason Floyd","startTime":868.871,"endTime":873.881,"body":"the slot and it's, it's like,"},{"speaker":"Jason Floyd","startTime":873.881,"endTime":876.444,"body":"you're no, you're just not,"},{"speaker":"Jason Floyd","startTime":873.881,"endTime":876.444,"body":"you're not gonna get anything"},{"speaker":"Jason Floyd","startTime":876.444,"endTime":877.874,"body":"meaningful, out of this."},{"speaker":"Wojciech Wegrzynski","startTime":878.289,"endTime":880.093,"body":"Yeah,"},{"speaker":"Wojciech Wegrzynski","startTime":878.289,"endTime":880.093,"body":"to the listeners some"},{"speaker":"Wojciech Wegrzynski","startTime":880.093,"endTime":882.103,"body":"context with jet fan systems."},{"speaker":"Wojciech Wegrzynski","startTime":882.493,"endTime":884.383,"body":"That was a, that is a thing."},{"speaker":"Wojciech Wegrzynski","startTime":884.383,"endTime":885.193,"body":"Still is a thing."},{"speaker":"Wojciech Wegrzynski","startTime":885.673,"endTime":889.409,"body":"Uh, it's a system often"},{"speaker":"Wojciech Wegrzynski","startTime":885.673,"endTime":889.409,"body":"using car parks and, because"},{"speaker":"Wojciech Wegrzynski","startTime":889.409,"endTime":890.759,"body":"of how the system operates."},{"speaker":"Wojciech Wegrzynski","startTime":891.604,"endTime":895.954,"body":"Fairly very difficult, if not"},{"speaker":"Wojciech Wegrzynski","startTime":891.604,"endTime":895.954,"body":"impossible to design the system"},{"speaker":"Wojciech Wegrzynski","startTime":895.954,"endTime":900.814,"body":"without any CFD because this"},{"speaker":"Wojciech Wegrzynski","startTime":895.954,"endTime":900.814,"body":"flows are very unpredictable."},{"speaker":"Wojciech Wegrzynski","startTime":901.114,"endTime":904.374,"body":"Like they are predictable"},{"speaker":"Wojciech Wegrzynski","startTime":901.114,"endTime":904.374,"body":"once you know how to design."},{"speaker":"Wojciech Wegrzynski","startTime":904.454,"endTime":904.564,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":904.804,"endTime":906.484,"body":"Are trying"},{"speaker":"Jason Floyd","startTime":904.804,"endTime":906.484,"body":"to get out of the model."},{"speaker":"Jason Floyd","startTime":906.484,"endTime":909.934,"body":"You know, if you're looking"},{"speaker":"Jason Floyd","startTime":906.484,"endTime":909.934,"body":"to understand that near-field"},{"speaker":"Jason Floyd","startTime":909.934,"endTime":912.964,"body":"behavior near the extra, the"},{"speaker":"Jason Floyd","startTime":909.934,"endTime":912.964,"body":"judge fan, I mean, yeah, you're"},{"speaker":"Jason Floyd","startTime":912.964,"endTime":914.918,"body":"going to need really good grip."},{"speaker":"Jason Floyd","startTime":915.334,"endTime":917.684,"body":"but if, but if all you're"},{"speaker":"Jason Floyd","startTime":915.334,"endTime":917.684,"body":"trying to capture is sort of"},{"speaker":"Jason Floyd","startTime":917.701,"endTime":920.611,"body":"some reasonable estimates where"},{"speaker":"Jason Floyd","startTime":917.701,"endTime":920.611,"body":"the bulk entrainment of air"},{"speaker":"Jason Floyd","startTime":920.611,"endTime":925.538,"body":"into that jet,   that may not"},{"speaker":"Jason Floyd","startTime":920.611,"endTime":925.538,"body":"require the same resolution"},{"speaker":"Jason Floyd","startTime":925.578,"endTime":926.688,"body":"if you're, if you're to"},{"speaker":"wojciech_wegrzynski","startTime":926.788,"endTime":927.088,"body":"uh,"},{"speaker":"Jason Floyd","startTime":927.184,"endTime":928.654,"body":"put, so you"},{"speaker":"Jason Floyd","startTime":927.184,"endTime":928.654,"body":"gotta, you gotta think about,"},{"speaker":"Jason Floyd","startTime":928.684,"endTime":930.394,"body":"you know, when you're, when"},{"speaker":"Jason Floyd","startTime":928.684,"endTime":930.394,"body":"you're the model, what is"},{"speaker":"Jason Floyd","startTime":930.394,"endTime":931.684,"body":"it you're using it for?"},{"speaker":"Jason Floyd","startTime":932.254,"endTime":935.914,"body":"And that your, your doing"},{"speaker":"Jason Floyd","startTime":932.254,"endTime":935.914,"body":"size may change depending on"},{"speaker":"Jason Floyd","startTime":936.051,"endTime":938.931,"body":"what answer you're looking to"},{"speaker":"Jason Floyd","startTime":936.051,"endTime":938.931,"body":"get out of the model in terms"},{"speaker":"Jason Floyd","startTime":938.931,"endTime":940.101,"body":"of what grit is good enough."},{"speaker":"Wojciech Wegrzynski","startTime":940.941,"endTime":943.791,"body":"Yeah,"},{"speaker":"Wojciech Wegrzynski","startTime":940.941,"endTime":943.791,"body":"I think back then there were"},{"speaker":"Wojciech Wegrzynski","startTime":943.791,"endTime":946.941,"body":"some changes done to sub"},{"speaker":"Wojciech Wegrzynski","startTime":943.791,"endTime":946.941,"body":"grid, scale modeling and FDS"},{"speaker":"Wojciech Wegrzynski","startTime":946.941,"endTime":950.481,"body":"and a different, I, I know"},{"speaker":"Wojciech Wegrzynski","startTime":946.941,"endTime":950.481,"body":"the different, uh, and smalls"},{"speaker":"Wojciech Wegrzynski","startTime":950.481,"endTime":955.131,"body":"were rotating in and out of"},{"speaker":"Wojciech Wegrzynski","startTime":950.481,"endTime":955.131,"body":"FDS as some variance of Les,"},{"speaker":"Wojciech Wegrzynski","startTime":955.131,"endTime":960.141,"body":"obviously, uh, to, to help"},{"speaker":"Wojciech Wegrzynski","startTime":955.131,"endTime":960.141,"body":"like solve this issue because"},{"speaker":"Wojciech Wegrzynski","startTime":960.471,"endTime":965.721,"body":"there was like a large group"},{"speaker":"Wojciech Wegrzynski","startTime":960.471,"endTime":965.721,"body":"of FDS users who relied on,"},{"speaker":"Wojciech Wegrzynski","startTime":965.763,"endTime":968.601,"body":"this software to, just do their"},{"speaker":"Wojciech Wegrzynski","startTime":965.763,"endTime":968.601,"body":"job because that was part of"},{"speaker":"Wojciech Wegrzynski","startTime":968.601,"endTime":970.131,"body":"their job to simulate CapEx."},{"speaker":"Wojciech Wegrzynski","startTime":970.131,"endTime":973.821,"body":"And we, we were, we were"},{"speaker":"Wojciech Wegrzynski","startTime":970.131,"endTime":973.821,"body":"among them looking a little"},{"speaker":"Wojciech Wegrzynski","startTime":973.821,"endTime":976.101,"body":"bit from the side, but"},{"speaker":"Wojciech Wegrzynski","startTime":973.821,"endTime":976.101,"body":"it was really interesting"},{"speaker":"Wojciech Wegrzynski","startTime":976.101,"endTime":978.051,"body":"timing and a discussion"},{"speaker":"Jason Floyd","startTime":979.451,"endTime":981.881,"body":"put a lot of"},{"speaker":"Jason Floyd","startTime":979.451,"endTime":981.881,"body":"effort into investigating"},{"speaker":"Jason Floyd","startTime":981.881,"endTime":983.051,"body":"turbulence models."},{"speaker":"Jason Floyd","startTime":983.261,"endTime":986.468,"body":"And then there was also just"},{"speaker":"Jason Floyd","startTime":983.261,"endTime":986.468,"body":"the issue of, how you treat."},{"speaker":"Jason Floyd","startTime":987.263,"endTime":989.499,"body":"You know, what happens,"},{"speaker":"Jason Floyd","startTime":987.263,"endTime":989.499,"body":"that sort of, an edge"},{"speaker":"Jason Floyd","startTime":989.529,"endTime":991.059,"body":"in your, in your domain."},{"speaker":"Jason Floyd","startTime":991.239,"endTime":995.089,"body":"And that's not, it's"},{"speaker":"Jason Floyd","startTime":991.239,"endTime":995.089,"body":"a tricky problem as to"},{"speaker":"Jason Floyd","startTime":995.099,"endTime":997.669,"body":"how you formulate that."},{"speaker":"Jason Floyd","startTime":997.819,"endTime":999.859,"body":"And we know there's also a"},{"speaker":"Jason Floyd","startTime":997.819,"endTime":999.859,"body":"lot of effort into trying"},{"speaker":"Jason Floyd","startTime":999.859,"endTime":1001.546,"body":"to make that better."},{"speaker":"Wojciech Wegrzynski","startTime":1002.371,"endTime":1005.471,"body":"Maybe"},{"speaker":"Wojciech Wegrzynski","startTime":1002.371,"endTime":1005.471,"body":"let's try also to, maybe you"},{"speaker":"Wojciech Wegrzynski","startTime":1005.471,"endTime":1010.974,"body":"can try to explain the, to"},{"speaker":"Wojciech Wegrzynski","startTime":1005.471,"endTime":1010.974,"body":"the listeners, like what's on"},{"speaker":"Wojciech Wegrzynski","startTime":1010.974,"endTime":1016.284,"body":"the level of the software does"},{"speaker":"Wojciech Wegrzynski","startTime":1010.974,"endTime":1016.284,"body":"changing the mesh size due to"},{"speaker":"Wojciech Wegrzynski","startTime":1016.284,"endTime":1019.444,"body":"the solver, , because , you"},{"speaker":"Wojciech Wegrzynski","startTime":1016.284,"endTime":1019.444,"body":"have a bunch of equations you"},{"speaker":"Wojciech Wegrzynski","startTime":1019.444,"endTime":1024.214,"body":"solve and, uh, they don't ask"},{"speaker":"Wojciech Wegrzynski","startTime":1019.444,"endTime":1024.214,"body":"for the, for this cell size"},{"speaker":"Wojciech Wegrzynski","startTime":1024.214,"endTime":1028.571,"body":"specific, like what does really"},{"speaker":"Wojciech Wegrzynski","startTime":1024.214,"endTime":1028.571,"body":"change in the solver, from the"},{"speaker":"Wojciech Wegrzynski","startTime":1028.811,"endTime":1031.641,"body":"solver perspective, when you,"},{"speaker":"Wojciech Wegrzynski","startTime":1028.811,"endTime":1031.641,"body":"when you change the mesh, is"},{"speaker":"Wojciech Wegrzynski","startTime":1031.641,"endTime":1034.121,"body":"it just, , just the size of"},{"speaker":"Wojciech Wegrzynski","startTime":1031.641,"endTime":1034.121,"body":"the element that, uh, that's"},{"speaker":"Wojciech Wegrzynski","startTime":1034.121,"endTime":1037.581,"body":"being, solved, meaning you,"},{"speaker":"Wojciech Wegrzynski","startTime":1034.121,"endTime":1037.581,"body":"you just gain more resolution,"},{"speaker":"Wojciech Wegrzynski","startTime":1037.761,"endTime":1041.481,"body":"like it's more grained or"},{"speaker":"Wojciech Wegrzynski","startTime":1037.761,"endTime":1041.481,"body":"does physics change in a way."},{"speaker":"Jason Floyd","startTime":1041.76,"endTime":1044.306,"body":"there really"},{"speaker":"Jason Floyd","startTime":1041.76,"endTime":1044.306,"body":"isn't any change in the physics"},{"speaker":"Jason Floyd","startTime":1044.336,"endTime":1047.306,"body":"in FDS as you change mess"},{"speaker":"Jason Floyd","startTime":1044.336,"endTime":1047.306,"body":"size, it's mostly resolution."},{"speaker":"Jason Floyd","startTime":1047.306,"endTime":1051.536,"body":"We do have an FDS, um, these"},{"speaker":"Jason Floyd","startTime":1047.306,"endTime":1051.536,"body":"sort of different modes of"},{"speaker":"Jason Floyd","startTime":1051.536,"endTime":1054.026,"body":"operating up the nose, right,"},{"speaker":"Jason Floyd","startTime":1051.536,"endTime":1054.026,"body":"where you can be, you know,"},{"speaker":"Jason Floyd","startTime":1054.206,"endTime":1060.983,"body":"DNS, Las VLAs and that's the"},{"speaker":"Jason Floyd","startTime":1054.206,"endTime":1060.983,"body":"Las, but, but those are user"},{"speaker":"Jason Floyd","startTime":1061.373,"endTime":1064.833,"body":"selectable modes of operation"},{"speaker":"Jason Floyd","startTime":1061.373,"endTime":1064.833,"body":"and, you know, roughly the"},{"speaker":"Jason Floyd","startTime":1064.853,"endTime":1068.533,"body":"sort of intended to correspond"},{"speaker":"Jason Floyd","startTime":1064.853,"endTime":1068.533,"body":"to grid sizes, but we're"},{"speaker":"Jason Floyd","startTime":1068.533,"endTime":1072.283,"body":"not having, you know, FDS"},{"speaker":"Jason Floyd","startTime":1068.533,"endTime":1072.283,"body":"tend to choose on its own,"},{"speaker":"Jason Floyd","startTime":1072.521,"endTime":1073.936,"body":"which is appropriate to use."},{"speaker":"wojciech_wegrzynski","startTime":1074.846,"endTime":1075.146,"body":"Um,"},{"speaker":"Jason Floyd","startTime":1075.336,"endTime":1076.636,"body":"And again,"},{"speaker":"Jason Floyd","startTime":1075.336,"endTime":1076.636,"body":"so if you do change that"},{"speaker":"Jason Floyd","startTime":1076.636,"endTime":1079.966,"body":"mode, you change some of"},{"speaker":"Jason Floyd","startTime":1076.636,"endTime":1079.966,"body":"the underlying physics."},{"speaker":"Jason Floyd","startTime":1080.546,"endTime":1082.916,"body":", for example, right in DNS,"},{"speaker":"Jason Floyd","startTime":1080.546,"endTime":1082.916,"body":"there's no correlations"},{"speaker":"Jason Floyd","startTime":1082.916,"endTime":1083.726,"body":"for heat transfer."},{"speaker":"Jason Floyd","startTime":1083.726,"endTime":1085.886,"body":"You just use the"},{"speaker":"Jason Floyd","startTime":1083.726,"endTime":1085.886,"body":"actual temperature"},{"speaker":"Jason Floyd","startTime":1085.886,"endTime":1086.996,"body":"grade and at the wall."},{"speaker":"Jason Floyd","startTime":1086.996,"endTime":1091.883,"body":"And, you know, if you pick SDLs,"},{"speaker":"Jason Floyd","startTime":1086.996,"endTime":1091.883,"body":", as your mode of operation, you"},{"speaker":"Jason Floyd","startTime":1091.883,"endTime":1097.313,"body":"know, FDS just treats everything"},{"speaker":"Jason Floyd","startTime":1091.883,"endTime":1097.313,"body":"as constant specific heats, uh,"},{"speaker":"Jason Floyd","startTime":1097.343,"endTime":1102.019,"body":"without using any temperature"},{"speaker":"Jason Floyd","startTime":1097.343,"endTime":1102.019,"body":"dependent functions, um, or,"},{"speaker":"Jason Floyd","startTime":1102.039,"endTime":1104.749,"body":"you know, things like that,"},{"speaker":"Jason Floyd","startTime":1102.039,"endTime":1104.749,"body":"that, that change and other,"},{"speaker":"Jason Floyd","startTime":1104.779,"endTime":1109.676,"body":"some of the ways that, massive"},{"speaker":"Jason Floyd","startTime":1104.779,"endTime":1109.676,"body":"affection and things like that"},{"speaker":"Jason Floyd","startTime":1109.676,"endTime":1112.336,"body":"operate in the model change,"},{"speaker":"Jason Floyd","startTime":1109.676,"endTime":1112.336,"body":"you with mode, but as long as"},{"speaker":"Jason Floyd","startTime":1112.336,"endTime":1114.376,"body":"you haven't changed the boat,"},{"speaker":"Jason Floyd","startTime":1112.336,"endTime":1114.376,"body":"changing the grid size, doesn't"},{"speaker":"Jason Floyd","startTime":1114.376,"endTime":1119.146,"body":"really your, other than there"},{"speaker":"Jason Floyd","startTime":1114.376,"endTime":1119.146,"body":"are some sort of the, like, for"},{"speaker":"Jason Floyd","startTime":1119.146,"endTime":1120.706,"body":"example, you're in some of your."},{"speaker":"Jason Floyd","startTime":1121.531,"endTime":1124.141,"body":"Initial time steps are"},{"speaker":"Jason Floyd","startTime":1121.531,"endTime":1124.141,"body":"like tied to grid size."},{"speaker":"Jason Floyd","startTime":1124.141,"endTime":1126.691,"body":"You know, that that changes"},{"speaker":"Jason Floyd","startTime":1124.141,"endTime":1126.691,"body":"what grid size changes, but"},{"speaker":"Jason Floyd","startTime":1127.021,"endTime":1128.921,"body":"other than, , some basic"},{"speaker":"Jason Floyd","startTime":1127.021,"endTime":1128.921,"body":"things like that, changing"},{"speaker":"Jason Floyd","startTime":1128.921,"endTime":1132.011,"body":"grid size doesn't change, the"},{"speaker":"Jason Floyd","startTime":1128.921,"endTime":1132.011,"body":"equation is being installed."},{"speaker":"Wojciech Wegrzynski","startTime":1133.006,"endTime":1134.666,"body":"but still"},{"speaker":"Wojciech Wegrzynski","startTime":1133.006,"endTime":1134.666,"body":"they're the size of the grid"},{"speaker":"Wojciech Wegrzynski","startTime":1135.046,"endTime":1137.539,"body":"is then used to debts or mine."},{"speaker":"Wojciech Wegrzynski","startTime":1138.059,"endTime":1142.109,"body":"Which part of, of flow is"},{"speaker":"Wojciech Wegrzynski","startTime":1138.059,"endTime":1142.109,"body":"solved directly with Les"},{"speaker":"Wojciech Wegrzynski","startTime":1142.109,"endTime":1145.439,"body":"on which part goes into"},{"speaker":"Wojciech Wegrzynski","startTime":1142.109,"endTime":1145.439,"body":"sub grid, sub model, right?"},{"speaker":"Jason Floyd","startTime":1146.118,"endTime":1146.388,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":1146.388,"endTime":1149.561,"body":"I mean, the only place where"},{"speaker":"Jason Floyd","startTime":1146.388,"endTime":1149.561,"body":"the sub grid models would sort"},{"speaker":"Jason Floyd","startTime":1149.561,"endTime":1152.114,"body":"of change, is it, you know, if"},{"speaker":"Jason Floyd","startTime":1149.561,"endTime":1152.114,"body":"you're, if you're, if you're"},{"speaker":"Jason Floyd","startTime":1152.114,"endTime":1155.328,"body":"in a Gasol it's adjacent to"},{"speaker":"Jason Floyd","startTime":1152.114,"endTime":1155.328,"body":"a wall cell, you know, a wall"},{"speaker":"Jason Floyd","startTime":1155.328,"endTime":1159.168,"body":"model will be invoked for"},{"speaker":"Jason Floyd","startTime":1155.328,"endTime":1159.168,"body":"friction along that wall."},{"speaker":"Jason Floyd","startTime":1159.588,"endTime":1162.798,"body":"And obviously,  as you reduce"},{"speaker":"Jason Floyd","startTime":1159.588,"endTime":1162.798,"body":"grid size, which cell that"},{"speaker":"Jason Floyd","startTime":1162.798,"endTime":1166.208,"body":"happens is gets smaller,"},{"speaker":"Jason Floyd","startTime":1162.798,"endTime":1166.208,"body":"you know, yourself wallets"},{"speaker":"Jason Floyd","startTime":1166.208,"endTime":1169.728,"body":"smaller, but know the actual,"},{"speaker":"Jason Floyd","startTime":1166.208,"endTime":1169.728,"body":"but it's the same equation,"},{"speaker":"Jason Floyd","startTime":1169.878,"endTime":1171.048,"body":", being used in that case."},{"speaker":"Wojciech Wegrzynski","startTime":1171.494,"endTime":1173.188,"body":"I always"},{"speaker":"Wojciech Wegrzynski","startTime":1171.494,"endTime":1173.188,"body":"thought that, if I go to"},{"speaker":"Wojciech Wegrzynski","startTime":1173.188,"endTime":1177.208,"body":"chorus, like the bigger and"},{"speaker":"Wojciech Wegrzynski","startTime":1173.188,"endTime":1177.208,"body":"bigger chunk of my and flow"},{"speaker":"Wojciech Wegrzynski","startTime":1177.208,"endTime":1180.928,"body":"will be solved with this like"},{"speaker":"Wojciech Wegrzynski","startTime":1177.208,"endTime":1180.928,"body":"one dimensional models instead"},{"speaker":"Wojciech Wegrzynski","startTime":1180.928,"endTime":1182.728,"body":"of Navier Stokes equations."},{"speaker":"Wojciech Wegrzynski","startTime":1183.208,"endTime":1186.568,"body":"So, and I guess it's probably"},{"speaker":"Wojciech Wegrzynski","startTime":1183.208,"endTime":1186.568,"body":"true when you go to very, very"},{"speaker":"Wojciech Wegrzynski","startTime":1186.568,"endTime":1189.521,"body":"large, grid scales and, yeah."},{"speaker":"Wojciech Wegrzynski","startTime":1189.551,"endTime":1193.391,"body":"Um, I also, as we are still"},{"speaker":"Wojciech Wegrzynski","startTime":1189.551,"endTime":1193.391,"body":"messing with, with the grid,"},{"speaker":"Wojciech Wegrzynski","startTime":1193.421,"endTime":1196.601,"body":"that there's also one thing"},{"speaker":"Wojciech Wegrzynski","startTime":1193.421,"endTime":1196.601,"body":"I must ask and that's the,"},{"speaker":"Wojciech Wegrzynski","startTime":1196.601,"endTime":1200.028,"body":"the, D star, , criterion"},{"speaker":"Wojciech Wegrzynski","startTime":1196.601,"endTime":1200.028,"body":"and, it's something that"},{"speaker":"Wojciech Wegrzynski","startTime":1200.058,"endTime":1204.528,"body":"people love to refer to"},{"speaker":"Wojciech Wegrzynski","startTime":1200.058,"endTime":1204.528,"body":"when doing their analysis as"},{"speaker":"Wojciech Wegrzynski","startTime":1204.528,"endTime":1207.744,"body":"the ultimate, condition for"},{"speaker":"Wojciech Wegrzynski","startTime":1204.528,"endTime":1207.744,"body":"which the mesh was chosen."},{"speaker":"Wojciech Wegrzynski","startTime":1208.024,"endTime":1210.594,"body":"Maybe you can give the"},{"speaker":"Wojciech Wegrzynski","startTime":1208.024,"endTime":1210.594,"body":"listeners a background of"},{"speaker":"Wojciech Wegrzynski","startTime":1210.594,"endTime":1212.154,"body":"how this even came to life."},{"speaker":"Wojciech Wegrzynski","startTime":1212.184,"endTime":1215.434,"body":"This, D* must be if I'm not"},{"speaker":"Wojciech Wegrzynski","startTime":1212.184,"endTime":1215.434,"body":"wrong between four foreign"},{"speaker":"Wojciech Wegrzynski","startTime":1215.434,"endTime":1217.834,"body":"16, or is this the rain."},{"speaker":"Jason Floyd","startTime":1218.493,"endTime":1221.853,"body":"That sort of"},{"speaker":"Jason Floyd","startTime":1218.493,"endTime":1221.853,"body":"came out early on in FDS."},{"speaker":"Jason Floyd","startTime":1222.644,"endTime":1225.453,"body":"part of it was there's this"},{"speaker":"Jason Floyd","startTime":1222.644,"endTime":1225.453,"body":"effort between , NIST and"},{"speaker":"Jason Floyd","startTime":1225.453,"endTime":1228.693,"body":"then Nuclear Regulatory"},{"speaker":"Jason Floyd","startTime":1225.453,"endTime":1228.693,"body":"Commission to investigate"},{"speaker":"Jason Floyd","startTime":1228.783,"endTime":1230.253,"body":"different fire models for you."},{"speaker":"Jason Floyd","startTime":1231.338,"endTime":1232.378,"body":"And risk assessment."},{"speaker":"Jason Floyd","startTime":1232.388,"endTime":1236.018,"body":"And, you know, so one of the"},{"speaker":"Jason Floyd","startTime":1232.388,"endTime":1236.018,"body":"questions that came out of this,"},{"speaker":"Jason Floyd","startTime":1236.06,"endTime":1238.238,"body":"you know, the, the documents"},{"speaker":"Jason Floyd","startTime":1236.06,"endTime":1238.238,"body":"that came out of this went"},{"speaker":"Jason Floyd","startTime":1238.238,"endTime":1241.568,"body":"before the advisory committee"},{"speaker":"Jason Floyd","startTime":1238.238,"endTime":1241.568,"body":"on reactor safeguards, which"},{"speaker":"Jason Floyd","startTime":1241.568,"endTime":1245.228,"body":"is this panel empowered in"},{"speaker":"Jason Floyd","startTime":1241.568,"endTime":1245.228,"body":"the U S to oversee, um, the"},{"speaker":"Jason Floyd","startTime":1245.228,"endTime":1246.328,"body":"nuclear regulatory commission."},{"speaker":"Jason Floyd","startTime":1246.868,"endTime":1250.628,"body":"They had some questions about,"},{"speaker":"Jason Floyd","startTime":1246.868,"endTime":1250.628,"body":"well, how can you evaluate"},{"speaker":"Jason Floyd","startTime":1250.628,"endTime":1252.068,"body":"sort of goodness of grids?"},{"speaker":"Jason Floyd","startTime":1252.098,"endTime":1254.678,"body":"And that was also coming"},{"speaker":"Jason Floyd","startTime":1252.098,"endTime":1254.678,"body":"out of other users."},{"speaker":"Jason Floyd","startTime":1254.951,"endTime":1259.698,"body":"so a lot of the problems that"},{"speaker":"Jason Floyd","startTime":1254.951,"endTime":1259.698,"body":"were of interest, there were"},{"speaker":"Jason Floyd","startTime":1259.788,"endTime":1263.058,"body":"problems where you're mostly"},{"speaker":"Jason Floyd","startTime":1259.788,"endTime":1263.058,"body":"looking at layer development,"},{"speaker":"Jason Floyd","startTime":1263.058,"endTime":1265.908,"body":"you know, is a, is a plume"},{"speaker":"Jason Floyd","startTime":1263.058,"endTime":1265.908,"body":"impinging on some pieces of"},{"speaker":"Jason Floyd","startTime":1265.908,"endTime":1269.028,"body":"equipment, or are you making"},{"speaker":"Jason Floyd","startTime":1265.908,"endTime":1269.028,"body":"a layer that's hot enough"},{"speaker":"Jason Floyd","startTime":1269.028,"endTime":1271.734,"body":"to damage, you know, cables"},{"speaker":"Jason Floyd","startTime":1269.028,"endTime":1271.734,"body":"or something like that."},{"speaker":"Jason Floyd","startTime":1271.734,"endTime":1274.674,"body":"So this one, this, the"},{"speaker":"Jason Floyd","startTime":1271.734,"endTime":1274.674,"body":"star, it's just basically,"},{"speaker":"Jason Floyd","startTime":1274.674,"endTime":1276.054,"body":"it's a, it's a scaling."},{"speaker":"Jason Floyd","startTime":1276.224,"endTime":1278.924,"body":"Quantity related to"},{"speaker":"Jason Floyd","startTime":1276.224,"endTime":1278.924,"body":"basically,  it's with the"},{"speaker":"Jason Floyd","startTime":1278.924,"endTime":1280.484,"body":"length scale of the plume."},{"speaker":"Jason Floyd","startTime":1280.484,"endTime":1282.404,"body":"And so the idea is, is"},{"speaker":"Jason Floyd","startTime":1280.484,"endTime":1282.404,"body":"that, well, if you have,"},{"speaker":"Jason Floyd","startTime":1282.998,"endTime":1285.188,"body":"some reasonable amount of"},{"speaker":"Jason Floyd","startTime":1282.998,"endTime":1285.188,"body":"cells across this length"},{"speaker":"Jason Floyd","startTime":1285.188,"endTime":1288.068,"body":"scale, that you should get"},{"speaker":"Jason Floyd","startTime":1285.188,"endTime":1288.068,"body":"plume entrainment okay."},{"speaker":"Jason Floyd","startTime":1288.128,"endTime":1288.968,"body":"In your calculation."},{"speaker":"Jason Floyd","startTime":1288.968,"endTime":1289.258,"body":"Right."},{"speaker":"Jason Floyd","startTime":1289.268,"endTime":1290.528,"body":"So if you're pluming"},{"speaker":"Jason Floyd","startTime":1289.268,"endTime":1290.528,"body":"treatments, okay."},{"speaker":"Jason Floyd","startTime":1290.528,"endTime":1290.948,"body":"Are you plume?"},{"speaker":"Jason Floyd","startTime":1290.948,"endTime":1292.178,"body":"Temperatures should be okay."},{"speaker":"Jason Floyd","startTime":1293.018,"endTime":1295.268,"body":"You're you're there the"},{"speaker":"Jason Floyd","startTime":1293.018,"endTime":1295.268,"body":"rate at which your layer"},{"speaker":"Jason Floyd","startTime":1295.268,"endTime":1297.158,"body":"drops, you know, shouldn't,"},{"speaker":"Jason Floyd","startTime":1295.268,"endTime":1297.158,"body":"shouldn't be reasonable."},{"speaker":"Jason Floyd","startTime":1297.158,"endTime":1300.571,"body":"So this was, so it came out"},{"speaker":"Jason Floyd","startTime":1297.158,"endTime":1300.571,"body":"of that and that four to 16"},{"speaker":"Jason Floyd","startTime":1301.318,"endTime":1304.288,"body":"was really came out of that"},{"speaker":"Jason Floyd","startTime":1301.318,"endTime":1304.288,"body":"was the range of resolutions"},{"speaker":"Jason Floyd","startTime":1304.288,"endTime":1308.218,"body":"that were being used in the"},{"speaker":"Jason Floyd","startTime":1304.288,"endTime":1308.218,"body":"validation suite at the time."},{"speaker":"Jason Floyd","startTime":1308.648,"endTime":1310.628,"body":", you know, we hear this, this"},{"speaker":"Jason Floyd","startTime":1308.648,"endTime":1310.628,"body":"is, this is the grid size"},{"speaker":"Jason Floyd","startTime":1310.628,"endTime":1313.696,"body":"range that we had used and,"},{"speaker":"Jason Floyd","startTime":1310.628,"endTime":1313.696,"body":"Look, the validation results"},{"speaker":"Jason Floyd","startTime":1313.696,"endTime":1315.196,"body":"results are reasonable."},{"speaker":"Jason Floyd","startTime":1315.196,"endTime":1318.609,"body":"So, you know, this w know range"},{"speaker":"Jason Floyd","startTime":1315.196,"endTime":1318.609,"body":"was, was noted in the guide"},{"speaker":"Jason Floyd","startTime":1318.819,"endTime":1321.089,"body":"as being the range that was"},{"speaker":"Jason Floyd","startTime":1318.819,"endTime":1321.089,"body":"used in the validation guide."},{"speaker":"Jason Floyd","startTime":1321.089,"endTime":1323.669,"body":"I think people took"},{"speaker":"Jason Floyd","startTime":1321.089,"endTime":1323.669,"body":"that, as gospel, right?"},{"speaker":"Jason Floyd","startTime":1323.669,"endTime":1327.149,"body":"That as long as you have this,"},{"speaker":"Jason Floyd","startTime":1323.669,"endTime":1327.149,"body":"this, these star with DX in this"},{"speaker":"Jason Floyd","startTime":1327.149,"endTime":1328.499,"body":"range, that you're always good."},{"speaker":"Jason Floyd","startTime":1328.703,"endTime":1331.476,"body":"and that was definitely not"},{"speaker":"Jason Floyd","startTime":1328.703,"endTime":1331.476,"body":"what it was intended to be."},{"speaker":"Jason Floyd","startTime":1331.476,"endTime":1334.953,"body":"And, we're actually in the, you"},{"speaker":"Jason Floyd","startTime":1331.476,"endTime":1334.953,"body":"know, the current guides, we"},{"speaker":"Jason Floyd","startTime":1334.953,"endTime":1336.736,"body":"remove some of that language."},{"speaker":"Jason Floyd","startTime":1336.736,"endTime":1339.206,"body":"We still know that the D star"},{"speaker":"Jason Floyd","startTime":1336.736,"endTime":1339.206,"body":"quantity, but, , definitely"},{"speaker":"Jason Floyd","startTime":1339.206,"endTime":1341.876,"body":"try and explain that it's not"},{"speaker":"Jason Floyd","startTime":1339.206,"endTime":1341.876,"body":"a one size fits all solution,"},{"speaker":"Jason Floyd","startTime":1341.906,"endTime":1345.086,"body":"but this sort of, this, this"},{"speaker":"Jason Floyd","startTime":1341.906,"endTime":1345.086,"body":"myth still seems to have"},{"speaker":"Jason Floyd","startTime":1345.836,"endTime":1349.083,"body":"around, you know, that this is,"},{"speaker":"Jason Floyd","startTime":1345.836,"endTime":1349.083,"body":"this is what you need to do."},{"speaker":"Jason Floyd","startTime":1349.083,"endTime":1351.393,"body":"And I think, you know, this"},{"speaker":"Jason Floyd","startTime":1349.083,"endTime":1351.393,"body":"or that, these star four to"},{"speaker":"Jason Floyd","startTime":1351.813,"endTime":1355.563,"body":"16, if you're really just"},{"speaker":"Jason Floyd","startTime":1351.813,"endTime":1355.563,"body":"interested in a smoke layer"},{"speaker":"Jason Floyd","startTime":1355.953,"endTime":1357.063,"body":"in a, in a compartment."},{"speaker":"Jason Floyd","startTime":1358.113,"endTime":1360.273,"body":"I think it's a"},{"speaker":"Jason Floyd","startTime":1358.113,"endTime":1360.273,"body":"reasonable rule of thumb."},{"speaker":"Jason Floyd","startTime":1360.273,"endTime":1362.613,"body":"I mean, you still need to"},{"speaker":"Jason Floyd","startTime":1360.273,"endTime":1362.613,"body":"look at your results and, you"},{"speaker":"Jason Floyd","startTime":1362.613,"endTime":1364.803,"body":"know, make sure things seem"},{"speaker":"Jason Floyd","startTime":1362.613,"endTime":1364.803,"body":"to make, make sense for you."},{"speaker":"Jason Floyd","startTime":1365.133,"endTime":1367.363,"body":"Um, if you do it, anything else,"},{"speaker":"Jason Floyd","startTime":1365.133,"endTime":1367.363,"body":"you know, if you're trying to"},{"speaker":"Jason Floyd","startTime":1367.363,"endTime":1370.753,"body":"predict, you know, radiation to"},{"speaker":"Jason Floyd","startTime":1367.363,"endTime":1370.753,"body":"an object really close to far,"},{"speaker":"Jason Floyd","startTime":1370.753,"endTime":1374.373,"body":"you're trying to predict flame"},{"speaker":"Jason Floyd","startTime":1370.753,"endTime":1374.373,"body":"spread or, anything else other"},{"speaker":"Jason Floyd","startTime":1374.373,"endTime":1376.543,"body":"than just really plume behavior."},{"speaker":"Jason Floyd","startTime":1376.763,"endTime":1379.119,"body":"you know, you should be"},{"speaker":"Jason Floyd","startTime":1376.763,"endTime":1379.119,"body":"putting some effort into making"},{"speaker":"Jason Floyd","startTime":1379.119,"endTime":1381.189,"body":"sure that, you know, you're"},{"speaker":"Jason Floyd","startTime":1379.119,"endTime":1381.189,"body":"using the appropriate grid"},{"speaker":"Jason Floyd","startTime":1381.219,"endTime":1382.509,"body":"for, for what you're doing."},{"speaker":"Wojciech Wegrzynski","startTime":1382.966,"endTime":1386.866,"body":"I must say"},{"speaker":"Wojciech Wegrzynski","startTime":1382.966,"endTime":1386.866,"body":"it is very convenient as a, as"},{"speaker":"Wojciech Wegrzynski","startTime":1386.866,"endTime":1388.479,"body":"an argument in your publishing."},{"speaker":"Wojciech Wegrzynski","startTime":1388.509,"endTime":1393.069,"body":"And I must say I am guilty of"},{"speaker":"Wojciech Wegrzynski","startTime":1388.509,"endTime":1393.069,"body":"it once I had really a rough"},{"speaker":"Wojciech Wegrzynski","startTime":1393.069,"endTime":1395.709,"body":"review, like it was really"},{"speaker":"Wojciech Wegrzynski","startTime":1393.069,"endTime":1395.709,"body":"annoying and really rough."},{"speaker":"Wojciech Wegrzynski","startTime":1396.369,"endTime":1398.881,"body":"And, the reviewers were"},{"speaker":"Wojciech Wegrzynski","startTime":1396.369,"endTime":1398.881,"body":"constantly asking like,"},{"speaker":"Wojciech Wegrzynski","startTime":1399.269,"endTime":1402.359,"body":"about the mesh sizes and"},{"speaker":"Wojciech Wegrzynski","startTime":1399.269,"endTime":1402.359,"body":"mesh them, even though we"},{"speaker":"Wojciech Wegrzynski","startTime":1402.359,"endTime":1404.969,"body":"did much sensitivity and"},{"speaker":"Wojciech Wegrzynski","startTime":1402.359,"endTime":1404.969,"body":"the, and everything, but"},{"speaker":"Wojciech Wegrzynski","startTime":1404.969,"endTime":1406.049,"body":"they were very insistent."},{"speaker":"Wojciech Wegrzynski","startTime":1406.049,"endTime":1407.789,"body":"Is, are we sure this"},{"speaker":"Wojciech Wegrzynski","startTime":1406.049,"endTime":1407.789,"body":"meshes are okay?"},{"speaker":"Wojciech Wegrzynski","startTime":1407.799,"endTime":1410.309,"body":"And so on eventually"},{"speaker":"Wojciech Wegrzynski","startTime":1407.799,"endTime":1410.309,"body":"I said, yeah, we know,"},{"speaker":"Wojciech Wegrzynski","startTime":1410.309,"endTime":1413.159,"body":"check that the, this, it"},{"speaker":"Wojciech Wegrzynski","startTime":1410.309,"endTime":1413.159,"body":"fulfills the star criteria."},{"speaker":"Wojciech Wegrzynski","startTime":1413.159,"endTime":1414.509,"body":"And so it's good."},{"speaker":"Wojciech Wegrzynski","startTime":1414.509,"endTime":1416.519,"body":"And they were okay"},{"speaker":"Wojciech Wegrzynski","startTime":1414.509,"endTime":1416.519,"body":"then it's good."},{"speaker":"Wojciech Wegrzynski","startTime":1416.699,"endTime":1418.603,"body":"So I'm, I'm guilty"},{"speaker":"Wojciech Wegrzynski","startTime":1416.699,"endTime":1418.603,"body":"of it as well, but."},{"speaker":"Wojciech Wegrzynski","startTime":1419.349,"endTime":1423.009,"body":"I appreciate that you you've"},{"speaker":"Wojciech Wegrzynski","startTime":1419.349,"endTime":1423.009,"body":"mentioned it was made for"},{"speaker":"Wojciech Wegrzynski","startTime":1423.009,"endTime":1425.409,"body":"like layer calculations,"},{"speaker":"Wojciech Wegrzynski","startTime":1423.009,"endTime":1425.409,"body":"plume calculations."},{"speaker":"Wojciech Wegrzynski","startTime":1425.409,"endTime":1430.449,"body":"There's a completely different"},{"speaker":"Wojciech Wegrzynski","startTime":1425.409,"endTime":1430.449,"body":"fire physics than fully"},{"speaker":"Wojciech Wegrzynski","startTime":1430.449,"endTime":1435.339,"body":"flashover compartments or"},{"speaker":"Wojciech Wegrzynski","startTime":1430.449,"endTime":1435.339,"body":"analyzing a forced flow in, in,"},{"speaker":"Wojciech Wegrzynski","startTime":1435.339,"endTime":1439.989,"body":"in roads, tunnel these are like,"},{"speaker":"Wojciech Wegrzynski","startTime":1435.339,"endTime":1439.989,"body":"like from a different planet."},{"speaker":"Wojciech Wegrzynski","startTime":1440.649,"endTime":1443.019,"body":"And now you you've"},{"speaker":"Wojciech Wegrzynski","startTime":1440.649,"endTime":1443.019,"body":"mentioned that you, you"},{"speaker":"Wojciech Wegrzynski","startTime":1443.019,"endTime":1445.269,"body":"should check your mesh."},{"speaker":"Wojciech Wegrzynski","startTime":1445.569,"endTime":1450.459,"body":"I wonder, what's your idea"},{"speaker":"Wojciech Wegrzynski","startTime":1445.569,"endTime":1450.459,"body":"on how a good sensitivity"},{"speaker":"Wojciech Wegrzynski","startTime":1450.609,"endTime":1452.879,"body":"study should look like?"},{"speaker":"Jason Floyd","startTime":1453.577,"endTime":1455.827,"body":"classic approach"},{"speaker":"Jason Floyd","startTime":1453.577,"endTime":1455.827,"body":"to, you know, a grid study"},{"speaker":"Jason Floyd","startTime":1455.827,"endTime":1460.181,"body":"is to run, you know, at least"},{"speaker":"Jason Floyd","startTime":1455.827,"endTime":1460.181,"body":"three print sizes, where"},{"speaker":"Jason Floyd","startTime":1460.181,"endTime":1463.852,"body":"you're lawfully having or"},{"speaker":"Jason Floyd","startTime":1460.181,"endTime":1463.852,"body":"something like that, you know,"},{"speaker":"Jason Floyd","startTime":1463.852,"endTime":1467.458,"body":"that, that can be difficult"},{"speaker":"Jason Floyd","startTime":1463.852,"endTime":1467.458,"body":"to do for your real problem."},{"speaker":"Jason Floyd","startTime":1467.518,"endTime":1470.541,"body":"Oftentimes, you know, if you've"},{"speaker":"Jason Floyd","startTime":1467.518,"endTime":1470.541,"body":"got some tunnel simulation,"},{"speaker":"Jason Floyd","startTime":1470.541,"endTime":1474.671,"body":"you have some fire revolving"},{"speaker":"Jason Floyd","startTime":1470.541,"endTime":1474.671,"body":"over a period of,  tens or"},{"speaker":"Jason Floyd","startTime":1475.031,"endTime":1476.201,"body":"hours or something like that."},{"speaker":"Jason Floyd","startTime":1476.201,"endTime":1478.421,"body":"And the tunnel, you know, it"},{"speaker":"Jason Floyd","startTime":1476.201,"endTime":1478.421,"body":"might be difficult to afford"},{"speaker":"Jason Floyd","startTime":1478.421,"endTime":1481.334,"body":"that finest resolution, which"},{"speaker":"Jason Floyd","startTime":1478.421,"endTime":1481.334,"body":"you can, I think in, in most"},{"speaker":"Jason Floyd","startTime":1481.334,"endTime":1486.897,"body":"cases,  Maybe important points"},{"speaker":"Jason Floyd","startTime":1481.334,"endTime":1486.897,"body":"in time and your simulation and,"},{"speaker":"Jason Floyd","startTime":1486.927,"endTime":1492.294,"body":", run a, you know, a steady kind"},{"speaker":"Jason Floyd","startTime":1486.927,"endTime":1492.294,"body":"of scenario, and compare, the"},{"speaker":"Jason Floyd","startTime":1492.294,"endTime":1496.374,"body":"results of the grid resolutions"},{"speaker":"Jason Floyd","startTime":1492.294,"endTime":1496.374,"body":"there, to see,  if things are"},{"speaker":"Jason Floyd","startTime":1496.374,"endTime":1499.224,"body":"not changing greatly between"},{"speaker":"Jason Floyd","startTime":1496.374,"endTime":1499.224,"body":"the, you know, the grid sizes"},{"speaker":"Jason Floyd","startTime":1499.224,"endTime":1501.444,"body":"you're looking to use and your"},{"speaker":"Jason Floyd","startTime":1499.224,"endTime":1501.444,"body":"final answer, I mean, there's"},{"speaker":"Jason Floyd","startTime":1501.444,"endTime":1504.084,"body":"some discussion in the, in"},{"speaker":"Jason Floyd","startTime":1501.444,"endTime":1504.084,"body":"the FDS guide and there are"},{"speaker":"Jason Floyd","startTime":1504.084,"endTime":1507.144,"body":"some of these sort of quality"},{"speaker":"Jason Floyd","startTime":1504.084,"endTime":1507.144,"body":"metrics that we can output."},{"speaker":"Jason Floyd","startTime":1507.331,"endTime":1510.581,"body":"Um, And those can be"},{"speaker":"Jason Floyd","startTime":1507.331,"endTime":1510.581,"body":"useful to look at."},{"speaker":"Jason Floyd","startTime":1510.657,"endTime":1514.167,"body":"some idea of, it was like this"},{"speaker":"Jason Floyd","startTime":1510.657,"endTime":1514.167,"body":"mean turbulence resolution"},{"speaker":"Jason Floyd","startTime":1514.167,"endTime":1516.167,"body":"quality,  you know, if, if"},{"speaker":"Jason Floyd","startTime":1514.167,"endTime":1516.167,"body":"that's, if you're hitting"},{"speaker":"Jason Floyd","startTime":1516.167,"endTime":1518.451,"body":"that your region of interest,"},{"speaker":"Jason Floyd","startTime":1516.167,"endTime":1518.451,"body":"you know, that, you know,"},{"speaker":"Jason Floyd","startTime":1518.451,"endTime":1520.621,"body":"your grids, maybe reasonable."},{"speaker":"Jason Floyd","startTime":1521.081,"endTime":1523.424,"body":"but yeah, it's, tricky to"},{"speaker":"Jason Floyd","startTime":1521.081,"endTime":1523.424,"body":"sort of specify, you know,"},{"speaker":"Jason Floyd","startTime":1523.424,"endTime":1525.614,"body":"one size fits all approach,"},{"speaker":"Wojciech Wegrzynski","startTime":1526.116,"endTime":1527.646,"body":"sometimes"},{"speaker":"Wojciech Wegrzynski","startTime":1526.116,"endTime":1527.646,"body":"you also get very confusing"},{"speaker":"Wojciech Wegrzynski","startTime":1527.646,"endTime":1528.876,"body":"results over the grid study."},{"speaker":"Wojciech Wegrzynski","startTime":1529.146,"endTime":1532.139,"body":"Like your course mesh gives"},{"speaker":"Wojciech Wegrzynski","startTime":1529.146,"endTime":1532.139,"body":"you a value than a finer"},{"speaker":"Wojciech Wegrzynski","startTime":1532.139,"endTime":1534.779,"body":"mesh with give you a lower"},{"speaker":"Wojciech Wegrzynski","startTime":1532.139,"endTime":1534.779,"body":"value than the finest mesh."},{"speaker":"Wojciech Wegrzynski","startTime":1535.019,"endTime":1537.389,"body":"Would you give, would"},{"speaker":"Wojciech Wegrzynski","startTime":1535.019,"endTime":1537.389,"body":"give you a higher number"},{"speaker":"Wojciech Wegrzynski","startTime":1537.389,"endTime":1538.409,"body":"than the course mesh."},{"speaker":"Wojciech Wegrzynski","startTime":1538.829,"endTime":1541.859,"body":"Then you are left with a scatter"},{"speaker":"Wojciech Wegrzynski","startTime":1538.829,"endTime":1541.859,"body":"that doesn't converge in any"},{"speaker":"Wojciech Wegrzynski","startTime":1541.859,"endTime":1544.073,"body":"way and it's kind of confusing."},{"speaker":"Wojciech Wegrzynski","startTime":1544.426,"endTime":1545.566,"body":"what would you do then?"},{"speaker":"Wojciech Wegrzynski","startTime":1545.566,"endTime":1549.196,"body":"Like add many more points"},{"speaker":"Wojciech Wegrzynski","startTime":1545.566,"endTime":1549.196,"body":"or like move back and"},{"speaker":"Wojciech Wegrzynski","startTime":1549.196,"endTime":1550.036,"body":"change something else?"},{"speaker":"Wojciech Wegrzynski","startTime":1550.732,"endTime":1551.722,"body":"happens lot of times."},{"speaker":"Jason Floyd","startTime":1552.312,"endTime":1554.032,"body":"yeah, one"},{"speaker":"Jason Floyd","startTime":1552.312,"endTime":1554.032,"body":"of the things to look at"},{"speaker":"Jason Floyd","startTime":1554.212,"endTime":1559.472,"body":"is how much are things"},{"speaker":"Jason Floyd","startTime":1554.212,"endTime":1559.472,"body":"changing, in your results."},{"speaker":"Jason Floyd","startTime":1559.472,"endTime":1560.612,"body":"I mean, once you have to,"},{"speaker":"Jason Floyd","startTime":1559.472,"endTime":1560.612,"body":"one of the things you have to"},{"speaker":"Jason Floyd","startTime":1560.612,"endTime":1562.622,"body":"understand, right, is that,"},{"speaker":"Jason Floyd","startTime":1560.612,"endTime":1562.622,"body":"you know, FTS as a model"},{"speaker":"Jason Floyd","startTime":1562.622,"endTime":1567.646,"body":"itself has an uncertainty"},{"speaker":"Jason Floyd","startTime":1562.622,"endTime":1567.646,"body":"associated with it."},{"speaker":"Jason Floyd","startTime":1567.766,"endTime":1570.346,"body":"And, you know, the validation"},{"speaker":"Jason Floyd","startTime":1567.766,"endTime":1570.346,"body":"guide, we estimate what"},{"speaker":"Jason Floyd","startTime":1570.346,"endTime":1576.046,"body":"those uncertainties are for"},{"speaker":"Jason Floyd","startTime":1570.346,"endTime":1576.046,"body":"various quantities of interest"},{"speaker":"Jason Floyd","startTime":1576.046,"endTime":1579.376,"body":"like bloom temperature and"},{"speaker":"Jason Floyd","startTime":1576.046,"endTime":1579.376,"body":"layer, height, and species"},{"speaker":"Jason Floyd","startTime":1579.376,"endTime":1580.996,"body":"concentrations, et cetera."},{"speaker":"Jason Floyd","startTime":1581.296,"endTime":1583.506,"body":"Um, if you do have this"},{"speaker":"Jason Floyd","startTime":1581.296,"endTime":1583.506,"body":"case where you sort of, you"},{"speaker":"Jason Floyd","startTime":1583.506,"endTime":1586.926,"body":"know, of course grid is a"},{"speaker":"Jason Floyd","startTime":1583.506,"endTime":1586.926,"body":"higher value, a medium grid"},{"speaker":"Jason Floyd","startTime":1586.926,"endTime":1589.866,"body":"is lower and then the fine"},{"speaker":"Jason Floyd","startTime":1586.926,"endTime":1589.866,"body":"grade sort of comes back up."},{"speaker":"Jason Floyd","startTime":1590.266,"endTime":1592.026,"body":"If those are all sort of."},{"speaker":"Jason Floyd","startTime":1592.417,"endTime":1594.367,"body":"No essentially equivalent"},{"speaker":"Jason Floyd","startTime":1592.417,"endTime":1594.367,"body":"in terms of, you know,"},{"speaker":"Jason Floyd","startTime":1594.367,"endTime":1596.527,"body":"the uncertainty in FDS."},{"speaker":"Jason Floyd","startTime":1596.707,"endTime":1599.497,"body":"it may just be, you know, the"},{"speaker":"Jason Floyd","startTime":1596.707,"endTime":1599.497,"body":"sort of that model uncertainty"},{"speaker":"Jason Floyd","startTime":1599.497,"endTime":1602.891,"body":"showing up, in the, in the"},{"speaker":"Jason Floyd","startTime":1599.497,"endTime":1602.891,"body":"results and you can, pick your"},{"speaker":"Jason Floyd","startTime":1602.891,"endTime":1606.354,"body":"medium resolution or something"},{"speaker":"Jason Floyd","startTime":1602.891,"endTime":1606.354,"body":"like that, but if you're, you"},{"speaker":"Jason Floyd","startTime":1606.354,"endTime":1610.574,"body":"know, if your answers are really"},{"speaker":"Jason Floyd","startTime":1606.354,"endTime":1610.574,"body":"changing significantly, then,"},{"speaker":"Jason Floyd","startTime":1610.634,"endTime":1614.411,"body":"you know, maybe you can think"},{"speaker":"Jason Floyd","startTime":1610.634,"endTime":1614.411,"body":"about, more detailed about what"},{"speaker":"Jason Floyd","startTime":1614.411,"endTime":1616.541,"body":"it is, you know, that sure."},{"speaker":"Jason Floyd","startTime":1617.201,"endTime":1620.609,"body":"You're modeling, with FDS,"},{"speaker":"Jason Floyd","startTime":1617.201,"endTime":1620.609,"body":"you know, is this, especially"},{"speaker":"Jason Floyd","startTime":1620.609,"endTime":1623.579,"body":"if it's something you know,"},{"speaker":"Jason Floyd","startTime":1620.609,"endTime":1623.579,"body":"where you're dealing with"},{"speaker":"Jason Floyd","startTime":1623.849,"endTime":1627.016,"body":"pyrolysis, you mean there,"},{"speaker":"Jason Floyd","startTime":1623.849,"endTime":1627.016,"body":"there's just the note."},{"speaker":"Jason Floyd","startTime":1627.926,"endTime":1629.366,"body":"Interacted with in"},{"speaker":"Jason Floyd","startTime":1627.926,"endTime":1629.366,"body":"the solid phase."},{"speaker":"Jason Floyd","startTime":1629.366,"endTime":1632.816,"body":"And the gas phase is not a"},{"speaker":"Jason Floyd","startTime":1629.366,"endTime":1632.816,"body":"very certain thing right now."},{"speaker":"Jason Floyd","startTime":1632.816,"endTime":1635.306,"body":"So, there, I've definitely"},{"speaker":"Jason Floyd","startTime":1632.816,"endTime":1635.306,"body":"noticed, you know, strange"},{"speaker":"Jason Floyd","startTime":1635.306,"endTime":1638.486,"body":"things can happen as you,"},{"speaker":"Jason Floyd","startTime":1635.306,"endTime":1638.486,"body":"as you move bird size"},{"speaker":"Jason Floyd","startTime":1638.486,"endTime":1642.206,"body":"around more so when it's"},{"speaker":"Jason Floyd","startTime":1638.486,"endTime":1642.206,"body":"just a specified fire and"},{"speaker":"Wojciech Wegrzynski","startTime":1642.651,"endTime":1644.361,"body":"so"},{"speaker":"Wojciech Wegrzynski","startTime":1642.651,"endTime":1644.361,"body":"when there would be a solid,"},{"speaker":"Wojciech Wegrzynski","startTime":1644.401,"endTime":1647.288,"body":", assault fuel, and, uh, you"},{"speaker":"Wojciech Wegrzynski","startTime":1644.401,"endTime":1647.288,"body":"would use pyrolysis model to"},{"speaker":"Wojciech Wegrzynski","startTime":1647.288,"endTime":1650.948,"body":"generate the gas fuel from"},{"speaker":"Wojciech Wegrzynski","startTime":1647.288,"endTime":1650.948,"body":"that and burn it, you would"},{"speaker":"Wojciech Wegrzynski","startTime":1650.948,"endTime":1654.068,"body":"expect there's a much more"},{"speaker":"Wojciech Wegrzynski","startTime":1650.948,"endTime":1654.068,"body":"interesting things happening"},{"speaker":"Wojciech Wegrzynski","startTime":1654.068,"endTime":1657.638,"body":"then when it just specify a"},{"speaker":"Wojciech Wegrzynski","startTime":1654.068,"endTime":1657.638,"body":"burner vent and, and just drop"},{"speaker":"Wojciech Wegrzynski","startTime":1657.638,"endTime":1659.258,"body":"the fuel in it and then burn it."},{"speaker":"Jason Floyd","startTime":1659.763,"endTime":1661.691,"body":"yeah, I've"},{"speaker":"Jason Floyd","startTime":1659.763,"endTime":1661.691,"body":"definitely When I tried to"},{"speaker":"Jason Floyd","startTime":1661.691,"endTime":1664.299,"body":"play around with, you know,"},{"speaker":"Jason Floyd","startTime":1661.691,"endTime":1664.299,"body":"paralysis or use, , predictions,"},{"speaker":"Jason Floyd","startTime":1664.299,"endTime":1667.481,"body":"like, I see more of an"},{"speaker":"Jason Floyd","startTime":1664.299,"endTime":1667.481,"body":"impact there, with the grids."},{"speaker":"Jason Floyd","startTime":1667.581,"endTime":1668.801,"body":"I think some of it is that yard."},{"speaker":"Jason Floyd","startTime":1668.801,"endTime":1671.758,"body":"You get, we always wind up,"},{"speaker":"Jason Floyd","startTime":1668.801,"endTime":1671.758,"body":"where do you measure, your"},{"speaker":"Jason Floyd","startTime":1671.878,"endTime":1674.548,"body":"properties of material with"},{"speaker":"Jason Floyd","startTime":1671.878,"endTime":1674.548,"body":"some very small scale tests."},{"speaker":"Jason Floyd","startTime":1675.289,"endTime":1677.381,"body":"people coming right now who"},{"speaker":"Jason Floyd","startTime":1675.289,"endTime":1677.381,"body":"can do some kind of like TJ"},{"speaker":"Jason Floyd","startTime":1677.381,"endTime":1682.331,"body":"DSE, try and get reactions"},{"speaker":"Jason Floyd","startTime":1677.381,"endTime":1682.331,"body":"and specific heats, and then"},{"speaker":"Jason Floyd","startTime":1682.331,"endTime":1686.141,"body":"maybe do a cone test and try"},{"speaker":"Jason Floyd","startTime":1682.331,"endTime":1686.141,"body":"and, you know, predict that."},{"speaker":"Jason Floyd","startTime":1686.141,"endTime":1687.971,"body":"And then you go"},{"speaker":"Jason Floyd","startTime":1686.141,"endTime":1687.971,"body":"to the full scale."},{"speaker":"Jason Floyd","startTime":1688.008,"endTime":1689.448,"body":"but you know, there's"},{"speaker":"Jason Floyd","startTime":1688.008,"endTime":1689.448,"body":"definitely things don't"},{"speaker":"Jason Floyd","startTime":1689.601,"endTime":1692.671,"body":"necessarily translate"},{"speaker":"Jason Floyd","startTime":1689.601,"endTime":1692.671,"body":"well in scale that way."},{"speaker":"Jason Floyd","startTime":1692.671,"endTime":1695.491,"body":"So it's almost always seems to"},{"speaker":"Jason Floyd","startTime":1692.671,"endTime":1695.491,"body":"be the case that there's some."},{"speaker":"Jason Floyd","startTime":1695.676,"endTime":1699.486,"body":"Tuning needed of your very"},{"speaker":"Jason Floyd","startTime":1695.676,"endTime":1699.486,"body":"small scale experimental"},{"speaker":"Jason Floyd","startTime":1699.486,"endTime":1702.966,"body":"properties to get something"},{"speaker":"Jason Floyd","startTime":1699.486,"endTime":1702.966,"body":"reasonable at a larger scale."},{"speaker":"Jason Floyd","startTime":1702.966,"endTime":1705.006,"body":"But then right now you"},{"speaker":"Jason Floyd","startTime":1702.966,"endTime":1705.006,"body":"sort of got properties"},{"speaker":"Jason Floyd","startTime":1705.006,"endTime":1705.906,"body":"that are grid dependent."},{"speaker":"Jason Floyd","startTime":1705.906,"endTime":1708.966,"body":"In some sense, we don't"},{"speaker":"Jason Floyd","startTime":1705.906,"endTime":1708.966,"body":"have a really good handle"},{"speaker":"Jason Floyd","startTime":1708.966,"endTime":1710.136,"body":"on that in all cases."},{"speaker":"Jason Floyd","startTime":1710.856,"endTime":1713.856,"body":"This is very, I mean, sort"},{"speaker":"Jason Floyd","startTime":1710.856,"endTime":1713.856,"body":"of how the radiation model"},{"speaker":"Jason Floyd","startTime":1713.856,"endTime":1716.353,"body":"and convictions, mean,"},{"speaker":"Jason Floyd","startTime":1713.856,"endTime":1716.353,"body":"those, to have some grid"},{"speaker":"Jason Floyd","startTime":1716.353,"endTime":1719.709,"body":"dependencies on them that we"},{"speaker":"Jason Floyd","startTime":1716.353,"endTime":1719.709,"body":"have not gotten rid of yet."},{"speaker":"Wojciech Wegrzynski","startTime":1720.291,"endTime":1720.891,"body":"understood."},{"speaker":"Wojciech Wegrzynski","startTime":1720.921,"endTime":1721.191,"body":"Yeah."},{"speaker":"Wojciech Wegrzynski","startTime":1721.311,"endTime":1724.871,"body":"And, when you do, when you"},{"speaker":"Wojciech Wegrzynski","startTime":1721.311,"endTime":1724.871,"body":"try to apply this, small"},{"speaker":"Wojciech Wegrzynski","startTime":1724.871,"endTime":1731.256,"body":"desk per meters into, into"},{"speaker":"Wojciech Wegrzynski","startTime":1724.871,"endTime":1731.256,"body":"real size model, But you"},{"speaker":"Wojciech Wegrzynski","startTime":1731.256,"endTime":1733.746,"body":"didn't know the outcomes of"},{"speaker":"Wojciech Wegrzynski","startTime":1731.256,"endTime":1733.746,"body":"like when you're modeling an"},{"speaker":"Wojciech Wegrzynski","startTime":1733.746,"endTime":1736.476,"body":"experiment, there's always"},{"speaker":"Wojciech Wegrzynski","startTime":1733.746,"endTime":1736.476,"body":"something you can refer to."},{"speaker":"Wojciech Wegrzynski","startTime":1736.886,"endTime":1739.416,"body":"You've mentioned there's"},{"speaker":"Wojciech Wegrzynski","startTime":1736.886,"endTime":1739.416,"body":"difficulties in that, and"},{"speaker":"Wojciech Wegrzynski","startTime":1739.416,"endTime":1743.826,"body":"maybe we'll come to that in"},{"speaker":"Wojciech Wegrzynski","startTime":1739.416,"endTime":1743.826,"body":"a second, but, when you try"},{"speaker":"Wojciech Wegrzynski","startTime":1743.826,"endTime":1747.246,"body":"to model something that you"},{"speaker":"Wojciech Wegrzynski","startTime":1743.826,"endTime":1747.246,"body":"do not have an experiment"},{"speaker":"Wojciech Wegrzynski","startTime":1747.246,"endTime":1751.416,"body":"for, and CFD, your only tool,"},{"speaker":"Wojciech Wegrzynski","startTime":1747.246,"endTime":1751.416,"body":"like you want to model a"},{"speaker":"Wojciech Wegrzynski","startTime":1751.416,"endTime":1755.086,"body":"flame spread in a compartment"},{"speaker":"Wojciech Wegrzynski","startTime":1751.416,"endTime":1755.086,"body":"using, solid fuel and the some"},{"speaker":"Wojciech Wegrzynski","startTime":1755.086,"endTime":1759.526,"body":"sort of ignition methods, is"},{"speaker":"Wojciech Wegrzynski","startTime":1755.086,"endTime":1759.526,"body":"there a safe way to proceed"},{"speaker":"Wojciech Wegrzynski","startTime":1759.526,"endTime":1760.876,"body":"that you would recommend?"},{"speaker":"Wojciech Wegrzynski","startTime":1760.996,"endTime":1764.266,"body":"I don't know, maybe starting"},{"speaker":"Wojciech Wegrzynski","startTime":1760.996,"endTime":1764.266,"body":"with a smaller model or working"},{"speaker":"Wojciech Wegrzynski","startTime":1764.266,"endTime":1768.136,"body":"out the literature example it's"},{"speaker":"Wojciech Wegrzynski","startTime":1764.266,"endTime":1768.136,"body":"you know, and, then moving from"},{"speaker":"Wojciech Wegrzynski","startTime":1768.136,"endTime":1771.982,"body":"that, or maybe just, uh, don't"},{"speaker":"Wojciech Wegrzynski","startTime":1768.136,"endTime":1771.982,"body":"touch that because, you have no"},{"speaker":"Wojciech Wegrzynski","startTime":1771.982,"endTime":1773.122,"body":"idea what you're going to get."},{"speaker":"Wojciech Wegrzynski","startTime":1773.136,"endTime":1774.766,"body":"where are we in, in"},{"speaker":"Wojciech Wegrzynski","startTime":1773.136,"endTime":1774.766,"body":"this kind of modeling?"},{"speaker":"Jason Floyd","startTime":1775.916,"endTime":1776.306,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":1776.514,"endTime":1779.076,"body":"if you've got properties"},{"speaker":"Jason Floyd","startTime":1776.514,"endTime":1779.076,"body":"for the same material"},{"speaker":"Jason Floyd","startTime":1779.296,"endTime":1780.396,"body":"that you're working with."},{"speaker":"Jason Floyd","startTime":1781.066,"endTime":1784.306,"body":"I think you just got to put"},{"speaker":"Jason Floyd","startTime":1781.066,"endTime":1784.306,"body":"a lot of effort into building"},{"speaker":"Jason Floyd","startTime":1784.306,"endTime":1785.476,"body":"your calculation opera."},{"speaker":"Jason Floyd","startTime":1785.506,"endTime":1788.606,"body":"You just can't, do a very small"},{"speaker":"Jason Floyd","startTime":1785.506,"endTime":1788.606,"body":"scale test, take those things"},{"speaker":"Jason Floyd","startTime":1788.606,"endTime":1794.216,"body":"and plop it into your final"},{"speaker":"Jason Floyd","startTime":1788.606,"endTime":1794.216,"body":"FDS simulation and run with it."},{"speaker":"Jason Floyd","startTime":1794.579,"endTime":1796.972,"body":"you know, I think you"},{"speaker":"Jason Floyd","startTime":1794.579,"endTime":1796.972,"body":"need to, do the very small"},{"speaker":"Jason Floyd","startTime":1796.972,"endTime":1800.192,"body":"scale simulation then,"},{"speaker":"Jason Floyd","startTime":1796.972,"endTime":1800.192,"body":"maybe simulate some simpler"},{"speaker":"Jason Floyd","startTime":1800.702,"endTime":1803.492,"body":"model problems, you know,"},{"speaker":"Jason Floyd","startTime":1800.702,"endTime":1803.492,"body":"with, with those properties"},{"speaker":"Jason Floyd","startTime":1803.492,"endTime":1805.086,"body":"and, look at the results."},{"speaker":"Jason Floyd","startTime":1805.116,"endTime":1807.496,"body":"I mean, there's a lot of times"},{"speaker":"Jason Floyd","startTime":1805.116,"endTime":1807.496,"body":"you can look at, and we sort"},{"speaker":"Jason Floyd","startTime":1807.496,"endTime":1810.996,"body":"of have some idea, sort of what"},{"speaker":"Jason Floyd","startTime":1807.496,"endTime":1810.996,"body":"we kind of expect in terms of"},{"speaker":"Jason Floyd","startTime":1811.266,"endTime":1814.716,"body":"burning rates and flame spreads"},{"speaker":"Jason Floyd","startTime":1811.266,"endTime":1814.716,"body":"for, you know, a lot of items,"},{"speaker":"Jason Floyd","startTime":1814.806,"endTime":1819.041,"body":"um, Oh, I mean, if you go from"},{"speaker":"Jason Floyd","startTime":1814.806,"endTime":1819.041,"body":"the small scale to some more"},{"speaker":"Jason Floyd","startTime":1819.131,"endTime":1822.341,"body":"intermediate scale and you"},{"speaker":"Jason Floyd","startTime":1819.131,"endTime":1822.341,"body":"know, that doesn't look right."},{"speaker":"Jason Floyd","startTime":1822.621,"endTime":1825.431,"body":"You need to go back to the"},{"speaker":"Jason Floyd","startTime":1822.621,"endTime":1825.431,"body":"start, but if, you know, if that"},{"speaker":"Jason Floyd","startTime":1825.431,"endTime":1829.281,"body":"looks right, you know, then you"},{"speaker":"Jason Floyd","startTime":1825.431,"endTime":1829.281,"body":"can move on to the, next scale."},{"speaker":"Jason Floyd","startTime":1829.281,"endTime":1832.671,"body":"So, you know, I've, I've done"},{"speaker":"Jason Floyd","startTime":1829.281,"endTime":1832.671,"body":"simulations looking at,  trying"},{"speaker":"Jason Floyd","startTime":1832.671,"endTime":1837.571,"body":"to assess, cardboard box"},{"speaker":"Jason Floyd","startTime":1832.671,"endTime":1837.571,"body":"commodity and warehouses, um,"},{"speaker":"Jason Floyd","startTime":1838.021,"endTime":1840.721,"body":"and there, you're your only"},{"speaker":"Jason Floyd","startTime":1838.021,"endTime":1840.721,"body":"fire growth, you know, when"},{"speaker":"Jason Floyd","startTime":1840.721,"endTime":1842.581,"body":"you're trying to look at when"},{"speaker":"Jason Floyd","startTime":1840.721,"endTime":1842.581,"body":"sprinklers are operating all"},{"speaker":"Jason Floyd","startTime":1842.581,"endTime":1845.564,"body":"of that, and that's really"},{"speaker":"Jason Floyd","startTime":1842.581,"endTime":1845.564,"body":"hardboard, that's driving that,"},{"speaker":"Jason Floyd","startTime":1846.06,"endTime":1850.273,"body":", in there, there is, , test data"},{"speaker":"Jason Floyd","startTime":1846.06,"endTime":1850.273,"body":"at various scales or people have"},{"speaker":"Jason Floyd","startTime":1850.273,"endTime":1854.11,"body":"tested just the cardboard or"},{"speaker":"Jason Floyd","startTime":1850.273,"endTime":1854.11,"body":"stock of a couple of boxes or,"},{"speaker":"Jason Floyd","startTime":1854.263,"endTime":1858.347,"body":"a rack with, two by two by eight"},{"speaker":"Jason Floyd","startTime":1854.263,"endTime":1858.347,"body":"array or something like that."},{"speaker":"Jason Floyd","startTime":1858.347,"endTime":1861.5,"body":"So, you know, there, you do have"},{"speaker":"Jason Floyd","startTime":1858.347,"endTime":1861.5,"body":"the opportunity of, you can try"},{"speaker":"Jason Floyd","startTime":1861.5,"endTime":1864.2,"body":"and figure out some properties,"},{"speaker":"Jason Floyd","startTime":1861.5,"endTime":1864.2,"body":"go to the single box, a"},{"speaker":"Jason Floyd","startTime":1864.2,"endTime":1866.0,"body":"couple of boxes to this rack."},{"speaker":"Jason Floyd","startTime":1866.0,"endTime":1868.46,"body":"And, if it's on each of those"},{"speaker":"Jason Floyd","startTime":1866.0,"endTime":1868.46,"body":"steps, you're getting something"},{"speaker":"Jason Floyd","startTime":1868.46,"endTime":1871.34,"body":"that's reasonable in terms of"},{"speaker":"Jason Floyd","startTime":1868.46,"endTime":1871.34,"body":"the heat release rate measured."},{"speaker":"Jason Floyd","startTime":1871.91,"endTime":1874.103,"body":"I mean, there, you might"},{"speaker":"Jason Floyd","startTime":1871.91,"endTime":1874.103,"body":"have feel like you have some"},{"speaker":"Jason Floyd","startTime":1874.103,"endTime":1876.68,"body":"confidence that, you're, okay."},{"speaker":"Jason Floyd","startTime":1876.68,"endTime":1878.563,"body":"For, your larger problem."},{"speaker":"Jason Floyd","startTime":1879.217,"endTime":1883.993,"body":"But what you do need to,"},{"speaker":"Jason Floyd","startTime":1879.217,"endTime":1883.993,"body":"probably put a lot more outputs"},{"speaker":"Jason Floyd","startTime":1883.993,"endTime":1886.903,"body":"and really look at what the"},{"speaker":"Jason Floyd","startTime":1883.993,"endTime":1886.903,"body":"model is doing and making sure"},{"speaker":"Jason Floyd","startTime":1886.903,"endTime":1888.223,"body":"that things are okay, right."},{"speaker":"Jason Floyd","startTime":1888.223,"endTime":1891.793,"body":"You're not getting burning"},{"speaker":"Jason Floyd","startTime":1888.223,"endTime":1891.793,"body":"rates of six kilograms per"},{"speaker":"Jason Floyd","startTime":1891.793,"endTime":1894.883,"body":"meter squared per second,"},{"speaker":"Jason Floyd","startTime":1891.793,"endTime":1894.883,"body":"something like that, which,"},{"speaker":"Jason Floyd","startTime":1894.883,"endTime":1897.533,"body":", just isn't plausible,"},{"speaker":"Jason Floyd","startTime":1894.883,"endTime":1897.533,"body":"who's never seen other than"},{"speaker":"Jason Floyd","startTime":1897.533,"endTime":1899.417,"body":"really exotic fuels perhaps,"},{"speaker":"Wojciech Wegrzynski","startTime":1899.982,"endTime":1900.252,"body":"Yeah."},{"speaker":"Wojciech Wegrzynski","startTime":1900.252,"endTime":1904.162,"body":"It's , someone once said that"},{"speaker":"Wojciech Wegrzynski","startTime":1900.252,"endTime":1904.162,"body":"bad simulation is when bad"},{"speaker":"Wojciech Wegrzynski","startTime":1904.162,"endTime":1906.772,"body":"simulation is where it doesn't"},{"speaker":"Wojciech Wegrzynski","startTime":1904.162,"endTime":1906.772,"body":"look real, but it's even"},{"speaker":"Wojciech Wegrzynski","startTime":1906.772,"endTime":1909.892,"body":"worse when it, it looks real,"},{"speaker":"Wojciech Wegrzynski","startTime":1906.772,"endTime":1909.892,"body":"but it's completely untrue."},{"speaker":"Wojciech Wegrzynski","startTime":1909.892,"endTime":1912.862,"body":", so that's a kind of"},{"speaker":"Wojciech Wegrzynski","startTime":1909.892,"endTime":1912.862,"body":"a danger we face."},{"speaker":"Wojciech Wegrzynski","startTime":1912.862,"endTime":1916.515,"body":"And now you being associated"},{"speaker":"Wojciech Wegrzynski","startTime":1912.862,"endTime":1916.515,"body":"with UL, I guess there's a whole"},{"speaker":"Wojciech Wegrzynski","startTime":1916.515,"endTime":1920.625,"body":"career to doing modeling plastic"},{"speaker":"Wojciech Wegrzynski","startTime":1916.515,"endTime":1920.625,"body":"cups for the sprinkler as, as a"},{"speaker":"Wojciech Wegrzynski","startTime":1920.625,"endTime":1924.675,"body":"whole, that's a whole industry"},{"speaker":"Wojciech Wegrzynski","startTime":1920.625,"endTime":1924.675,"body":"that are mine, and I appreciate"},{"speaker":"Wojciech Wegrzynski","startTime":1924.675,"endTime":1927.275,"body":"your approach, , building your"},{"speaker":"Wojciech Wegrzynski","startTime":1924.675,"endTime":1927.275,"body":"own skill set and building"},{"speaker":"Wojciech Wegrzynski","startTime":1927.275,"endTime":1930.335,"body":"your own in a way expertise."},{"speaker":"Wojciech Wegrzynski","startTime":1930.335,"endTime":1932.025,"body":"And, and, but it also in a way."},{"speaker":"Wojciech Wegrzynski","startTime":1932.763,"endTime":1935.373,"body":"That's a base of models"},{"speaker":"Wojciech Wegrzynski","startTime":1932.763,"endTime":1935.373,"body":"you're confident with."},{"speaker":"Wojciech Wegrzynski","startTime":1935.453,"endTime":1940.133,"body":". And if you, if you had to model"},{"speaker":"Wojciech Wegrzynski","startTime":1935.453,"endTime":1940.133,"body":"a very complicated array of"},{"speaker":"Wojciech Wegrzynski","startTime":1940.133,"endTime":1944.563,"body":"fuels, I see many people try to"},{"speaker":"Wojciech Wegrzynski","startTime":1940.133,"endTime":1944.563,"body":"get into loophole modeling like"},{"speaker":"Wojciech Wegrzynski","startTime":1944.923,"endTime":1948.222,"body":"10 or 20 different pyrolysis"},{"speaker":"Wojciech Wegrzynski","startTime":1944.923,"endTime":1948.222,"body":"behaviors in the same model,"},{"speaker":"Wojciech Wegrzynski","startTime":1948.427,"endTime":1951.847,"body":"having a different one for an"},{"speaker":"Wojciech Wegrzynski","startTime":1948.427,"endTime":1951.847,"body":"armchair different one for the"},{"speaker":"Wojciech Wegrzynski","startTime":1951.847,"endTime":1955.447,"body":"carpets, for the wardrobe, for"},{"speaker":"Wojciech Wegrzynski","startTime":1951.847,"endTime":1955.447,"body":"every single item like they"},{"speaker":"Wojciech Wegrzynski","startTime":1955.447,"endTime":1958.957,"body":"trying to model them were,"},{"speaker":"Wojciech Wegrzynski","startTime":1955.447,"endTime":1958.957,"body":"uh, if I was faced with such"},{"speaker":"Wojciech Wegrzynski","startTime":1958.957,"endTime":1961.76,"body":"a problem to model a complex,"},{"speaker":"Wojciech Wegrzynski","startTime":1958.957,"endTime":1961.76,"body":"compartment with a complex set"},{"speaker":"Wojciech Wegrzynski","startTime":1961.76,"endTime":1965.34,"body":"of fuels, I think I would settle"},{"speaker":"Wojciech Wegrzynski","startTime":1961.76,"endTime":1965.34,"body":"on some surrogate fueled that."},{"speaker":"Wojciech Wegrzynski","startTime":1966.21,"endTime":1968.79,"body":"Well, literally like"},{"speaker":"Wojciech Wegrzynski","startTime":1966.21,"endTime":1968.79,"body":"averaged them all because"},{"speaker":"Wojciech Wegrzynski","startTime":1968.82,"endTime":1973.067,"body":"in the end, it's going to be"},{"speaker":"Wojciech Wegrzynski","startTime":1968.82,"endTime":1973.067,"body":"gases that will be burning."},{"speaker":"Wojciech Wegrzynski","startTime":1973.067,"endTime":1977.377,"body":"And, if I introduced that"},{"speaker":"Wojciech Wegrzynski","startTime":1973.067,"endTime":1977.377,"body":"much complexity into my model,"},{"speaker":"Wojciech Wegrzynski","startTime":1977.377,"endTime":1978.817,"body":"there is no way in the world."},{"speaker":"Wojciech Wegrzynski","startTime":1978.817,"endTime":1981.067,"body":"I can handle"},{"speaker":"Wojciech Wegrzynski","startTime":1978.817,"endTime":1981.067,"body":"uncertainty of that."},{"speaker":"Jason Floyd","startTime":1981.147,"endTime":1983.203,"body":"Yeah, I think be"},{"speaker":"Jason Floyd","startTime":1981.147,"endTime":1983.203,"body":"careful of sort of complexity"},{"speaker":"Jason Floyd","startTime":1983.203,"endTime":1985.783,"body":"for complexities sake."},{"speaker":"Jason Floyd","startTime":1986.153,"endTime":1989.56,"body":"It's, especially, if you're, the"},{"speaker":"Jason Floyd","startTime":1986.153,"endTime":1989.56,"body":"default combustion model right."},{"speaker":"Jason Floyd","startTime":1989.56,"endTime":1990.2,"body":"And FDS, right."},{"speaker":"Jason Floyd","startTime":1990.22,"endTime":1993.057,"body":"You just specify your fuel"},{"speaker":"Jason Floyd","startTime":1990.22,"endTime":1993.057,"body":"with, without kinetics that"},{"speaker":"Jason Floyd","startTime":1993.057,"endTime":1996.533,"body":"you're just a fast reaction,"},{"speaker":"Jason Floyd","startTime":1993.057,"endTime":1996.533,"body":"that point, there's not a lot"},{"speaker":"Jason Floyd","startTime":1996.533,"endTime":2000.943,"body":"of benefit to having all these"},{"speaker":"Jason Floyd","startTime":1996.533,"endTime":2000.943,"body":"different fuels in a lot of"},{"speaker":"Jason Floyd","startTime":2000.943,"endTime":2005.288,"body":"cases, unless maybe,  there's"},{"speaker":"Jason Floyd","startTime":2000.943,"endTime":2005.288,"body":"extreme differences maybe"},{"speaker":"Jason Floyd","startTime":2005.288,"endTime":2007.868,"body":"in there sitting behavior"},{"speaker":"Jason Floyd","startTime":2005.288,"endTime":2007.868,"body":"that for some reason was"},{"speaker":"Jason Floyd","startTime":2007.868,"endTime":2011.558,"body":"important to count fuel at"},{"speaker":"Jason Floyd","startTime":2007.868,"endTime":2011.558,"body":"the start that ignited some"},{"speaker":"Jason Floyd","startTime":2011.558,"endTime":2013.628,"body":"high slitting object later."},{"speaker":"Jason Floyd","startTime":2013.628,"endTime":2015.998,"body":"I mean, that case then"},{"speaker":"Jason Floyd","startTime":2013.628,"endTime":2015.998,"body":"you'd have two fuels, right?"},{"speaker":"Jason Floyd","startTime":2015.998,"endTime":2017.228,"body":"The low and the high."},{"speaker":"Jason Floyd","startTime":2017.292,"endTime":2020.915,"body":"but if things are kind of"},{"speaker":"Jason Floyd","startTime":2017.292,"endTime":2020.915,"body":"similar in terms of their,"},{"speaker":"Jason Floyd","startTime":2021.372,"endTime":2023.592,"body":"hazard that you're trying to"},{"speaker":"Jason Floyd","startTime":2021.372,"endTime":2023.592,"body":"evaluate it, I don't think"},{"speaker":"Jason Floyd","startTime":2023.592,"endTime":2027.492,"body":"there's a lot of benefits"},{"speaker":"Jason Floyd","startTime":2023.592,"endTime":2027.492,"body":"in making things too complex"},{"speaker":"Jason Floyd","startTime":2027.492,"endTime":2029.502,"body":"and it all just kind of"},{"speaker":"Jason Floyd","startTime":2027.492,"endTime":2029.502,"body":"gets as you, as he noted."},{"speaker":"Jason Floyd","startTime":2029.502,"endTime":2029.682,"body":"Right."},{"speaker":"Jason Floyd","startTime":2029.682,"endTime":2031.902,"body":"But if everything's all fast"},{"speaker":"Jason Floyd","startTime":2029.682,"endTime":2031.902,"body":"reactions and all it just"},{"speaker":"Jason Floyd","startTime":2032.382,"endTime":2034.092,"body":"averages out together anyway."},{"speaker":"Jason Floyd","startTime":2034.132,"endTime":2036.832,"body":"So at that point, just,"},{"speaker":"Jason Floyd","startTime":2034.132,"endTime":2036.832,"body":"make it the average and save"},{"speaker":"Jason Floyd","startTime":2036.832,"endTime":2038.152,"body":"yourself the time and effort."},{"speaker":"Jason Floyd","startTime":2038.782,"endTime":2041.822,"body":"But then, then the other,"},{"speaker":"Jason Floyd","startTime":2038.782,"endTime":2041.822,"body":"complexity in, in these kinds"},{"speaker":"Jason Floyd","startTime":2041.822,"endTime":2046.832,"body":"of problems is, , No, we don't"},{"speaker":"Jason Floyd","startTime":2041.822,"endTime":2046.832,"body":"have, right now, solid objects"},{"speaker":"Jason Floyd","startTime":2046.832,"endTime":2048.778,"body":"that don't, disintegrate, right?"},{"speaker":"Jason Floyd","startTime":2048.778,"endTime":2052.018,"body":"I mean, you know, the, the solid"},{"speaker":"Jason Floyd","startTime":2048.778,"endTime":2052.018,"body":"cube might use up its fuel and"},{"speaker":"Jason Floyd","startTime":2052.018,"endTime":2053.728,"body":"get removed in the calculation."},{"speaker":"Jason Floyd","startTime":2053.728,"endTime":2053.938,"body":"Right."},{"speaker":"Jason Floyd","startTime":2053.938,"endTime":2057.608,"body":"But for, for something like a"},{"speaker":"Jason Floyd","startTime":2053.938,"endTime":2057.608,"body":"pollster piece of furniture,"},{"speaker":"Jason Floyd","startTime":2057.788,"endTime":2062.178,"body":"we don't have,   the phone"},{"speaker":"Jason Floyd","startTime":2057.788,"endTime":2062.178,"body":"melting and dripping into a pool"},{"speaker":"Jason Floyd","startTime":2062.178,"endTime":2064.808,"body":"they need, there's some books"},{"speaker":"Jason Floyd","startTime":2062.178,"endTime":2064.808,"body":"we put in to sort of support."},{"speaker":"Jason Floyd","startTime":2065.558,"endTime":2067.792,"body":"People trying things like"},{"speaker":"Jason Floyd","startTime":2065.558,"endTime":2067.792,"body":"that, but, that's kind of"},{"speaker":"Jason Floyd","startTime":2067.792,"endTime":2071.058,"body":"relatively new, but things like,"},{"speaker":"Jason Floyd","startTime":2067.792,"endTime":2071.058,"body":"eventually, you know, it sort"},{"speaker":"Jason Floyd","startTime":2071.058,"endTime":2073.728,"body":"of collapses into some pile"},{"speaker":"Jason Floyd","startTime":2071.058,"endTime":2073.728,"body":"of rubble that, that burns."},{"speaker":"Jason Floyd","startTime":2073.728,"endTime":2076.308,"body":"I mean, those sort of later"},{"speaker":"Jason Floyd","startTime":2073.728,"endTime":2076.308,"body":"time, things just aren't"},{"speaker":"Jason Floyd","startTime":2076.598,"endTime":2079.358,"body":"there and you know, I'm not"},{"speaker":"Jason Floyd","startTime":2076.598,"endTime":2079.358,"body":"that's definitely that kind"},{"speaker":"Jason Floyd","startTime":2079.358,"endTime":2080.978,"body":"of stuff is a long way off."},{"speaker":"Jason Floyd","startTime":2080.978,"endTime":2085.358,"body":"So, for predicting pyrolysis,"},{"speaker":"Jason Floyd","startTime":2080.978,"endTime":2085.358,"body":"I think you also need to be"},{"speaker":"Jason Floyd","startTime":2085.482,"endTime":2088.602,"body":"careful about those kinds"},{"speaker":"Jason Floyd","startTime":2085.482,"endTime":2088.602,"body":"of behaviors, you know, if"},{"speaker":"Jason Floyd","startTime":2088.602,"endTime":2090.952,"body":"you're, so if you're, time"},{"speaker":"Jason Floyd","startTime":2088.602,"endTime":2090.952,"body":"range of interest is where"},{"speaker":"Jason Floyd","startTime":2090.952,"endTime":2094.072,"body":"things are still relatively"},{"speaker":"Jason Floyd","startTime":2090.952,"endTime":2094.072,"body":"intact, that you don't worry"},{"speaker":"Jason Floyd","startTime":2094.072,"endTime":2097.485,"body":"about, those kinds of issues,"},{"speaker":"Jason Floyd","startTime":2094.072,"endTime":2097.485,"body":"you might be better off than,"},{"speaker":"Jason Floyd","startTime":2098.07,"endTime":2100.362,"body":"if indeed you've got, you"},{"speaker":"Jason Floyd","startTime":2098.07,"endTime":2100.362,"body":"know, your object molds into"},{"speaker":"Jason Floyd","startTime":2100.362,"endTime":2102.945,"body":"a pool, the pool burns, you"},{"speaker":"Jason Floyd","startTime":2100.362,"endTime":2102.945,"body":"know, then, maybe you need"},{"speaker":"Jason Floyd","startTime":2102.945,"endTime":2105.945,"body":"to think about how you're"},{"speaker":"Jason Floyd","startTime":2102.945,"endTime":2105.945,"body":"approaching the problem that"},{"speaker":"Jason Floyd","startTime":2105.945,"endTime":2108.855,"body":"you don't want this solid"},{"speaker":"Jason Floyd","startTime":2105.945,"endTime":2108.855,"body":"object to burn as a solid view."},{"speaker":"Jason Floyd","startTime":2109.035,"endTime":2111.415,"body":"Maybe we need to think about"},{"speaker":"Jason Floyd","startTime":2109.035,"endTime":2111.415,"body":"some other way of, modeling it."},{"speaker":"Wojciech Wegrzynski","startTime":2111.629,"endTime":2114.118,"body":"I think we"},{"speaker":"Wojciech Wegrzynski","startTime":2111.629,"endTime":2114.118,"body":"also do not really appreciate"},{"speaker":"Wojciech Wegrzynski","startTime":2114.118,"endTime":2115.168,"body":"the complexity of fire."},{"speaker":"Wojciech Wegrzynski","startTime":2115.168,"endTime":2117.598,"body":"I mean, this podcast could"},{"speaker":"Wojciech Wegrzynski","startTime":2115.168,"endTime":2117.598,"body":"be called complexities of"},{"speaker":"Wojciech Wegrzynski","startTime":2117.598,"endTime":2120.958,"body":"fire because this is in"},{"speaker":"Wojciech Wegrzynski","startTime":2117.598,"endTime":2120.958,"body":"essence what we are discussing"},{"speaker":"Wojciech Wegrzynski","startTime":2120.958,"endTime":2122.308,"body":"here for more than a year."},{"speaker":"Wojciech Wegrzynski","startTime":2122.608,"endTime":2125.758,"body":"And it seems we're nowhere"},{"speaker":"Wojciech Wegrzynski","startTime":2122.608,"endTime":2125.758,"body":"close to an answer of how"},{"speaker":"Wojciech Wegrzynski","startTime":2125.758,"endTime":2128.098,"body":"complex a fire is because"},{"speaker":"Wojciech Wegrzynski","startTime":2125.758,"endTime":2128.098,"body":"with every episode is"},{"speaker":"Wojciech Wegrzynski","startTime":2128.098,"endTime":2129.118,"body":"more and more complex."},{"speaker":"Wojciech Wegrzynski","startTime":2129.538,"endTime":2132.658,"body":"Um, and people often would"},{"speaker":"Wojciech Wegrzynski","startTime":2129.538,"endTime":2132.658,"body":"expect, you know, a single"},{"speaker":"Wojciech Wegrzynski","startTime":2132.658,"endTime":2135.268,"body":"answer from a single experiment,"},{"speaker":"Wojciech Wegrzynski","startTime":2132.658,"endTime":2135.268,"body":"just burn the building ones"},{"speaker":"Wojciech Wegrzynski","startTime":2135.268,"endTime":2138.742,"body":"and understand how does this"},{"speaker":"Wojciech Wegrzynski","startTime":2135.268,"endTime":2138.742,"body":"building behave in the fire?"},{"speaker":"Wojciech Wegrzynski","startTime":2139.102,"endTime":2144.172,"body":"Well, as a simple example of one"},{"speaker":"Wojciech Wegrzynski","startTime":2139.102,"endTime":2144.172,"body":"of the recent experiments, we've"},{"speaker":"Wojciech Wegrzynski","startTime":2144.172,"endTime":2148.395,"body":"done just a normal compartment"},{"speaker":"Wojciech Wegrzynski","startTime":2144.172,"endTime":2148.395,"body":"fire with, grips as a source of,"},{"speaker":"Wojciech Wegrzynski","startTime":2148.395,"endTime":2150.405,"body":"of fire inside the compartment."},{"speaker":"Wojciech Wegrzynski","startTime":2150.825,"endTime":2153.448,"body":"And we, we had the Crip"},{"speaker":"Wojciech Wegrzynski","startTime":2150.825,"endTime":2153.448,"body":"collapse and it fell out."},{"speaker":"Wojciech Wegrzynski","startTime":2153.448,"endTime":2157.018,"body":"It produced a slightly"},{"speaker":"Wojciech Wegrzynski","startTime":2153.448,"endTime":2157.018,"body":"different size of fire,"},{"speaker":"Wojciech Wegrzynski","startTime":2157.018,"endTime":2157.708,"body":"which triggered the."},{"speaker":"Wojciech Wegrzynski","startTime":2158.813,"endTime":2163.553,"body":"And, this is like a very, like"},{"speaker":"Wojciech Wegrzynski","startTime":2158.813,"endTime":2163.553,"body":"you would not model a Crip"},{"speaker":"Wojciech Wegrzynski","startTime":2163.583,"endTime":2165.797,"body":"collapsing in your, CFD model."},{"speaker":"Wojciech Wegrzynski","startTime":2165.797,"endTime":2168.407,"body":"And even if you had the"},{"speaker":"Wojciech Wegrzynski","startTime":2165.797,"endTime":2168.407,"body":"perfect representation of this"},{"speaker":"Wojciech Wegrzynski","startTime":2168.407,"endTime":2173.087,"body":"compartment, this crib, all"},{"speaker":"Wojciech Wegrzynski","startTime":2168.407,"endTime":2173.087,"body":"the fire dynamics in it, you"},{"speaker":"Wojciech Wegrzynski","startTime":2173.087,"endTime":2176.087,"body":"could have modeled that and"},{"speaker":"Wojciech Wegrzynski","startTime":2173.087,"endTime":2176.087,"body":"would say, okay, flashover does"},{"speaker":"Wojciech Wegrzynski","startTime":2176.087,"endTime":2179.717,"body":"not the cure in this, in this"},{"speaker":"Wojciech Wegrzynski","startTime":2176.087,"endTime":2179.717,"body":"compartment based on the crude"},{"speaker":"Wojciech Wegrzynski","startTime":2179.727,"endTime":2181.277,"body":"behavior as it was intact."},{"speaker":"Wojciech Wegrzynski","startTime":2181.637,"endTime":2183.887,"body":"Whereas when it collapsed and"},{"speaker":"Wojciech Wegrzynski","startTime":2181.637,"endTime":2183.887,"body":"suddenly it was like three"},{"speaker":"Wojciech Wegrzynski","startTime":2183.887,"endTime":2187.767,"body":"times the size in space and"},{"speaker":"Wojciech Wegrzynski","startTime":2183.887,"endTime":2187.767,"body":"the air could then train in"},{"speaker":"Wojciech Wegrzynski","startTime":2187.767,"endTime":2189.437,"body":"the middle part of it better."},{"speaker":"Wojciech Wegrzynski","startTime":2189.857,"endTime":2193.243,"body":"We exceeded this point and"},{"speaker":"Wojciech Wegrzynski","startTime":2189.857,"endTime":2193.243,"body":"flashover happened with the same"},{"speaker":"Wojciech Wegrzynski","startTime":2193.243,"endTime":2196.46,"body":"mass fuel in there, slightly"},{"speaker":"Wojciech Wegrzynski","startTime":2193.243,"endTime":2196.46,"body":"different configuration, but the"},{"speaker":"Wojciech Wegrzynski","startTime":2196.49,"endTime":2203.057,"body":"tiny thing that, that changes"},{"speaker":"Wojciech Wegrzynski","startTime":2196.49,"endTime":2203.057,"body":"the outcome, and we often expect"},{"speaker":"Wojciech Wegrzynski","startTime":2203.183,"endTime":2208.133,"body":"a single answer from a single"},{"speaker":"Wojciech Wegrzynski","startTime":2203.183,"endTime":2208.133,"body":"experiment where it's just"},{"speaker":"Wojciech Wegrzynski","startTime":2208.133,"endTime":2211.553,"body":"a point in your uncertainty"},{"speaker":"Wojciech Wegrzynski","startTime":2208.133,"endTime":2211.553,"body":"matrix that you didn't know."},{"speaker":"Wojciech Wegrzynski","startTime":2211.553,"endTime":2214.64,"body":"And I think that's, Something"},{"speaker":"Wojciech Wegrzynski","startTime":2211.553,"endTime":2214.64,"body":"that goes back to this"},{"speaker":"Wojciech Wegrzynski","startTime":2214.7,"endTime":2218.57,"body":"initial question of why find"},{"speaker":"Wojciech Wegrzynski","startTime":2214.7,"endTime":2218.57,"body":"a match did not, improve the"},{"speaker":"Wojciech Wegrzynski","startTime":2218.57,"endTime":2220.22,"body":"accuracy of the simulation."},{"speaker":"Wojciech Wegrzynski","startTime":2220.52,"endTime":2225.027,"body":"Maybe the simulation was"},{"speaker":"Wojciech Wegrzynski","startTime":2220.52,"endTime":2225.027,"body":"accurate already, as it may have"},{"speaker":"Wojciech Wegrzynski","startTime":2225.027,"endTime":2228.057,"body":"been within the uncertainties"},{"speaker":"Wojciech Wegrzynski","startTime":2225.027,"endTime":2228.057,"body":"of that experiment."},{"speaker":"Wojciech Wegrzynski","startTime":2228.377,"endTime":2228.977,"body":"what do you think?"},{"speaker":"Wojciech Wegrzynski","startTime":2228.977,"endTime":2231.877,"body":"I mean, these uncertainties"},{"speaker":"Wojciech Wegrzynski","startTime":2228.977,"endTime":2231.877,"body":"add a lot, like  what kind"},{"speaker":"Wojciech Wegrzynski","startTime":2231.877,"endTime":2234.007,"body":"of uncertainty you could"},{"speaker":"Wojciech Wegrzynski","startTime":2231.877,"endTime":2234.007,"body":"expect in the simulation"},{"speaker":"Wojciech Wegrzynski","startTime":2234.007,"endTime":2235.233,"body":"and, in an experiment."},{"speaker":"Jason Floyd","startTime":2235.863,"endTime":2236.013,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":2236.013,"endTime":2238.233,"body":"Well, I mean, for something"},{"speaker":"Jason Floyd","startTime":2236.013,"endTime":2238.233,"body":"like that particular"},{"speaker":"Jason Floyd","startTime":2238.233,"endTime":2241.323,"body":"experiment, you know, there's"},{"speaker":"Jason Floyd","startTime":2238.233,"endTime":2241.323,"body":"a tremendous uncertainty in"},{"speaker":"Jason Floyd","startTime":2241.747,"endTime":2244.717,"body":"those material properties"},{"speaker":"Jason Floyd","startTime":2241.747,"endTime":2244.717,"body":"that you're specifying with"},{"speaker":"Jason Floyd","startTime":2244.717,"endTime":2246.27,"body":"within them, for their action."},{"speaker":"Jason Floyd","startTime":2246.27,"endTime":2247.2,"body":"I mean, things like, right."},{"speaker":"Jason Floyd","startTime":2247.55,"endTime":2250.883,"body":"density is something"},{"speaker":"Jason Floyd","startTime":2247.55,"endTime":2250.883,"body":"that's relatively easy"},{"speaker":"Jason Floyd","startTime":2250.883,"endTime":2251.543,"body":"to measure, right?"},{"speaker":"Jason Floyd","startTime":2251.543,"endTime":2253.343,"body":"I mean, you can measure"},{"speaker":"Jason Floyd","startTime":2251.543,"endTime":2253.343,"body":"volume, you can have a"},{"speaker":"Jason Floyd","startTime":2253.343,"endTime":2255.713,"body":"scale and you can divide one"},{"speaker":"Jason Floyd","startTime":2253.343,"endTime":2255.713,"body":"by there and get density."},{"speaker":"Jason Floyd","startTime":2255.713,"endTime":2256.673,"body":"And those are relatively."},{"speaker":"Jason Floyd","startTime":2257.042,"endTime":2257.998,"body":"for many materials, right?"},{"speaker":"Jason Floyd","startTime":2257.998,"endTime":2260.715,"body":"Those are measurements that you"},{"speaker":"Jason Floyd","startTime":2257.998,"endTime":2260.715,"body":"can do, clearly, fairly easily."},{"speaker":"Jason Floyd","startTime":2260.715,"endTime":2264.615,"body":"But when you start getting into"},{"speaker":"Jason Floyd","startTime":2260.715,"endTime":2264.615,"body":"all the kinetics are things"},{"speaker":"Jason Floyd","startTime":2264.615,"endTime":2269.025,"body":"like the specific key and the,"},{"speaker":"Jason Floyd","startTime":2264.615,"endTime":2269.025,"body":"the activation energy and all"},{"speaker":"Jason Floyd","startTime":2269.025,"endTime":2270.255,"body":"that for reactions, right?"},{"speaker":"Jason Floyd","startTime":2270.255,"endTime":2273.242,"body":"I mean, those are things"},{"speaker":"Jason Floyd","startTime":2270.255,"endTime":2273.242,"body":"that we can measure, right?"},{"speaker":"Jason Floyd","startTime":2273.292,"endTime":2275.672,"body":"It's not a tape measure that"},{"speaker":"Jason Floyd","startTime":2273.292,"endTime":2275.672,"body":"you put out to measure the"},{"speaker":"Jason Floyd","startTime":2275.672,"endTime":2276.932,"body":"activation energy, right?"},{"speaker":"Jason Floyd","startTime":2276.932,"endTime":2280.802,"body":"I mean, what we do is"},{"speaker":"Jason Floyd","startTime":2276.932,"endTime":2280.802,"body":"we apply some heating to"},{"speaker":"Jason Floyd","startTime":2280.802,"endTime":2283.592,"body":"some sample and measure"},{"speaker":"Jason Floyd","startTime":2280.802,"endTime":2283.592,"body":"some temperature response."},{"speaker":"Jason Floyd","startTime":2283.592,"endTime":2286.592,"body":"And then we have a model"},{"speaker":"Jason Floyd","startTime":2283.592,"endTime":2286.592,"body":"that we apply to get,"},{"speaker":"Jason Floyd","startTime":2287.082,"endTime":2288.262,"body":"these parameters out of it."},{"speaker":"Jason Floyd","startTime":2288.262,"endTime":2291.712,"body":"And so all of those things"},{"speaker":"Jason Floyd","startTime":2288.262,"endTime":2291.712,"body":"have uncertainties, right?"},{"speaker":"Jason Floyd","startTime":2291.712,"endTime":2295.102,"body":"I mean that heat flux or"},{"speaker":"Jason Floyd","startTime":2291.712,"endTime":2295.102,"body":"heating rate input has some"},{"speaker":"Jason Floyd","startTime":2295.372,"endTime":2298.132,"body":"uncertainty that temperature"},{"speaker":"Jason Floyd","startTime":2295.372,"endTime":2298.132,"body":"measurement has some uncertainty"},{"speaker":"Jason Floyd","startTime":2298.132,"endTime":2301.912,"body":"in that model that we use has"},{"speaker":"Jason Floyd","startTime":2298.132,"endTime":2301.912,"body":"a, has a model uncertainty."},{"speaker":"Jason Floyd","startTime":2301.912,"endTime":2304.475,"body":"So, each one of those"},{"speaker":"Jason Floyd","startTime":2301.912,"endTime":2304.475,"body":"properties could have."},{"speaker":"Jason Floyd","startTime":2304.912,"endTime":2309.227,"body":"15, 20, 30% error or something"},{"speaker":"Jason Floyd","startTime":2304.912,"endTime":2309.227,"body":"associated with them, perhaps,"},{"speaker":"Jason Floyd","startTime":2309.227,"endTime":2312.13,"body":"and, and that can definitely"},{"speaker":"Jason Floyd","startTime":2309.227,"endTime":2312.13,"body":"make, a big difference in the"},{"speaker":"Jason Floyd","startTime":2312.13,"endTime":2315.16,"body":"outcome of, something like,"},{"speaker":"Jason Floyd","startTime":2312.13,"endTime":2315.16,"body":"fire, you know, predicting"},{"speaker":"Jason Floyd","startTime":2315.16,"endTime":2317.83,"body":"the, you know, the fire growth,"},{"speaker":"Jason Floyd","startTime":2315.16,"endTime":2317.83,"body":"uh, as to whether or not"},{"speaker":"Jason Floyd","startTime":2317.83,"endTime":2321.3,"body":"your, you know, your fire grew"},{"speaker":"Jason Floyd","startTime":2317.83,"endTime":2321.3,"body":"as quickly enough to get it"},{"speaker":"Jason Floyd","startTime":2321.3,"endTime":2324.04,"body":"involved, you know, the curve"},{"speaker":"Jason Floyd","startTime":2321.3,"endTime":2324.04,"body":"involved at the right rate."},{"speaker":"Jason Floyd","startTime":2324.04,"endTime":2326.593,"body":"So I would expect that, just"},{"speaker":"Jason Floyd","startTime":2324.04,"endTime":2326.593,"body":"that simulation that he was"},{"speaker":"Jason Floyd","startTime":2326.593,"endTime":2332.587,"body":"doing probably had, , 25, 30%"},{"speaker":"Jason Floyd","startTime":2326.593,"endTime":2332.587,"body":"kind of uncertainties, Different"},{"speaker":"Jason Floyd","startTime":2332.587,"endTime":2334.657,"body":"in terms of the temperatures"},{"speaker":"Jason Floyd","startTime":2332.587,"endTime":2334.657,"body":"and the heat release rate, at"},{"speaker":"Jason Floyd","startTime":2334.657,"endTime":2337.507,"body":"least in terms of the data that"},{"speaker":"Jason Floyd","startTime":2334.657,"endTime":2337.507,"body":"the user had been posted by"},{"speaker":"Jason Floyd","startTime":2337.547,"endTime":2340.877,"body":"15, 20% or something like that."},{"speaker":"Jason Floyd","startTime":2340.877,"endTime":2343.917,"body":"So, you know, in that case,"},{"speaker":"Jason Floyd","startTime":2340.877,"endTime":2343.917,"body":"if things are different by"},{"speaker":"Jason Floyd","startTime":2343.917,"endTime":2346.557,"body":"less than the uncertainty of"},{"speaker":"Jason Floyd","startTime":2343.917,"endTime":2346.557,"body":"your experiment, you really"},{"speaker":"Jason Floyd","startTime":2347.247,"endTime":2349.257,"body":"can't say one is better."},{"speaker":"Jason Floyd","startTime":2350.181,"endTime":2352.221,"body":"And that's something that"},{"speaker":"Jason Floyd","startTime":2350.181,"endTime":2352.221,"body":"I don't, I don't think it's"},{"speaker":"Jason Floyd","startTime":2352.438,"endTime":2355.541,"body":"always realized when people"},{"speaker":"Jason Floyd","startTime":2352.438,"endTime":2355.541,"body":"just look at, one or a very"},{"speaker":"Jason Floyd","startTime":2355.541,"endTime":2358.151,"body":"small number of, of experiments."},{"speaker":"Jason Floyd","startTime":2358.901,"endTime":2361.661,"body":"if you don't really sort of"},{"speaker":"Jason Floyd","startTime":2358.901,"endTime":2361.661,"body":"understand what that experiment,"},{"speaker":"Jason Floyd","startTime":2361.661,"endTime":2365.081,"body":"the one certainty is it's can"},{"speaker":"Jason Floyd","startTime":2361.661,"endTime":2365.081,"body":"be difficult to just do a couple"},{"speaker":"Jason Floyd","startTime":2365.081,"endTime":2368.351,"body":"of model runs and go, well, this"},{"speaker":"Jason Floyd","startTime":2365.081,"endTime":2368.351,"body":"one's clearly better, which,"},{"speaker":"Jason Floyd","startTime":2368.381,"endTime":2370.664,"body":"they're not necessarily better"},{"speaker":"Jason Floyd","startTime":2368.381,"endTime":2370.664,"body":"if they're both well within"},{"speaker":"Jason Floyd","startTime":2370.664,"endTime":2372.554,"body":"the uncertainty of the test."},{"speaker":"Jason Floyd","startTime":2373.304,"endTime":2376.244,"body":"And at that point, you can't"},{"speaker":"Jason Floyd","startTime":2373.304,"endTime":2376.244,"body":"make that distinguishment."},{"speaker":"Jason Floyd","startTime":2376.244,"endTime":2379.364,"body":"You can say they're different,"},{"speaker":"Jason Floyd","startTime":2376.244,"endTime":2379.364,"body":"but you can't say that one is."},{"speaker":"Wojciech Wegrzynski","startTime":2379.939,"endTime":2381.449,"body":"I"},{"speaker":"Wojciech Wegrzynski","startTime":2379.939,"endTime":2381.449,"body":"also think maybe many"},{"speaker":"Wojciech Wegrzynski","startTime":2381.459,"endTime":2385.179,"body":"times, researchers would"},{"speaker":"Wojciech Wegrzynski","startTime":2381.459,"endTime":2385.179,"body":"confuse, uncertainty related"},{"speaker":"Wojciech Wegrzynski","startTime":2385.179,"endTime":2388.009,"body":"to the capabilities of"},{"speaker":"Wojciech Wegrzynski","startTime":2385.179,"endTime":2388.009,"body":"their measuring systems."},{"speaker":"Wojciech Wegrzynski","startTime":2388.639,"endTime":2389.059,"body":"W w."},{"speaker":"Wojciech Wegrzynski","startTime":2389.332,"endTime":2390.082,"body":"I'll certainly do that."},{"speaker":"Wojciech Wegrzynski","startTime":2390.082,"endTime":2391.552,"body":"That is irrelevant."},{"speaker":"Wojciech Wegrzynski","startTime":2391.629,"endTime":2394.829,"body":"to the position of the measuring"},{"speaker":"Wojciech Wegrzynski","startTime":2391.629,"endTime":2394.829,"body":"system, especially when, when"},{"speaker":"Wojciech Wegrzynski","startTime":2394.829,"endTime":2398.489,"body":"you're measuring temperatures in"},{"speaker":"Wojciech Wegrzynski","startTime":2394.829,"endTime":2398.489,"body":"flows in, in not forced flows."},{"speaker":"Jason Floyd","startTime":2398.789,"endTime":2399.089,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":2399.479,"endTime":2401.749,"body":"And we actually had, somebody"},{"speaker":"Jason Floyd","startTime":2399.479,"endTime":2401.749,"body":"here, when I, , started at"},{"speaker":"Jason Floyd","startTime":2401.749,"endTime":2406.279,"body":"the FSRI was looking at some"},{"speaker":"Jason Floyd","startTime":2401.749,"endTime":2406.279,"body":"furniture tests that at north"},{"speaker":"Jason Floyd","startTime":2406.279,"endTime":2410.539,"body":"fork and, , they weren't"},{"speaker":"Jason Floyd","startTime":2406.279,"endTime":2410.539,"body":"quite getting, , the FDS"},{"speaker":"Jason Floyd","startTime":2410.539,"endTime":2413.956,"body":"predictions to match up with,"},{"speaker":"Jason Floyd","startTime":2410.539,"endTime":2413.956,"body":"temperature predictions that"},{"speaker":"Jason Floyd","startTime":2413.956,"endTime":2414.856,"body":"were, that were measured."},{"speaker":"Jason Floyd","startTime":2414.856,"endTime":2418.659,"body":"But in this case there was,"},{"speaker":"Jason Floyd","startTime":2414.856,"endTime":2418.659,"body":", it was a single rake of, TCS."},{"speaker":"Jason Floyd","startTime":2418.659,"endTime":2422.589,"body":"And you go back and you look"},{"speaker":"Jason Floyd","startTime":2418.659,"endTime":2422.589,"body":"at the test video that that"},{"speaker":"Jason Floyd","startTime":2422.589,"endTime":2425.559,"body":"was taken and you can see"},{"speaker":"Jason Floyd","startTime":2422.589,"endTime":2425.559,"body":"that,  there was a little bit"},{"speaker":"Jason Floyd","startTime":2425.559,"endTime":2427.369,"body":"of lean, to the plume, right."},{"speaker":"Jason Floyd","startTime":2427.369,"endTime":2428.109,"body":"So even though you put."},{"speaker":"Jason Floyd","startTime":2429.049,"endTime":2432.511,"body":"Effort into centering the"},{"speaker":"Jason Floyd","startTime":2429.049,"endTime":2432.511,"body":"rake over the burner, FDS"},{"speaker":"Jason Floyd","startTime":2432.536,"endTime":2435.836,"body":"the course is going to give"},{"speaker":"Jason Floyd","startTime":2432.536,"endTime":2435.836,"body":"you that perfectly straight,"},{"speaker":"Jason Floyd","startTime":2436.126,"endTime":2439.516,"body":"fire, if you don't specify,"},{"speaker":"Jason Floyd","startTime":2436.126,"endTime":2439.516,"body":"asymmetry in your boundary"},{"speaker":"Jason Floyd","startTime":2439.516,"endTime":2440.756,"body":"conditions on the sides."},{"speaker":"Jason Floyd","startTime":2441.776,"endTime":2443.386,"body":"Once you can show"},{"speaker":"Jason Floyd","startTime":2441.776,"endTime":2443.386,"body":"that in FDS, right?"},{"speaker":"Jason Floyd","startTime":2443.386,"endTime":2446.536,"body":"You can put up the one rake,"},{"speaker":"Jason Floyd","startTime":2443.386,"endTime":2446.536,"body":"you can put, uh, an array of"},{"speaker":"Jason Floyd","startTime":2446.536,"endTime":2449.416,"body":"rakes and go show that, well,"},{"speaker":"Jason Floyd","startTime":2446.536,"endTime":2449.416,"body":"if you're only 10 centimeters"},{"speaker":"Jason Floyd","startTime":2449.926,"endTime":2453.566,"body":"lean at, four meters above"},{"speaker":"Jason Floyd","startTime":2449.926,"endTime":2453.566,"body":"the fire, you've changed this"},{"speaker":"Jason Floyd","startTime":2453.566,"endTime":2457.626,"body":"temperature now, 25% because"},{"speaker":"Jason Floyd","startTime":2453.566,"endTime":2457.626,"body":"you're off the center line now."},{"speaker":"Jason Floyd","startTime":2458.289,"endTime":2460.899,"body":"so that needs to be considered"},{"speaker":"Jason Floyd","startTime":2458.289,"endTime":2460.899,"body":"in, in, you know, in some"},{"speaker":"Jason Floyd","startTime":2460.899,"endTime":2462.579,"body":"measurements it's more"},{"speaker":"Jason Floyd","startTime":2460.899,"endTime":2462.579,"body":"important, some areas than"},{"speaker":"Jason Floyd","startTime":2462.579,"endTime":2464.289,"body":"others, like if you're far"},{"speaker":"Jason Floyd","startTime":2462.579,"endTime":2464.289,"body":"from the fire and you're"},{"speaker":"Jason Floyd","startTime":2464.289,"endTime":2465.369,"body":"just sort of in a layer."},{"speaker":"Jason Floyd","startTime":2465.789,"endTime":2467.696,"body":"I mean, I don't think,"},{"speaker":"Jason Floyd","startTime":2465.789,"endTime":2467.696,"body":"how accurate that position"},{"speaker":"Jason Floyd","startTime":2467.696,"endTime":2470.606,"body":"is, is not as important,"},{"speaker":"Jason Floyd","startTime":2467.696,"endTime":2470.606,"body":"unless maybe you're in"},{"speaker":"Jason Floyd","startTime":2470.606,"endTime":2471.956,"body":"a, an opening, you know,"},{"speaker":"Wojciech Wegrzynski","startTime":2472.101,"endTime":2473.391,"body":"yeah,"},{"speaker":"Wojciech Wegrzynski","startTime":2472.101,"endTime":2473.391,"body":"I think it's important."},{"speaker":"Wojciech Wegrzynski","startTime":2473.391,"endTime":2476.511,"body":"Also, if you consider"},{"speaker":"Wojciech Wegrzynski","startTime":2473.391,"endTime":2476.511,"body":"like a ceiling jets"},{"speaker":"Track 1","startTime":2476.996,"endTime":2477.326,"body":"Yeah,"},{"speaker":"Wojciech Wegrzynski","startTime":2477.544,"endTime":2479.091,"body":"and"},{"speaker":"Wojciech Wegrzynski","startTime":2477.544,"endTime":2479.091,"body":"like in the ceiling jet five"},{"speaker":"Wojciech Wegrzynski","startTime":2479.091,"endTime":2481.851,"body":"centimeters lower could be"},{"speaker":"Wojciech Wegrzynski","startTime":2479.091,"endTime":2481.851,"body":"difference of a hundred degrees."},{"speaker":"Track 1","startTime":2482.906,"endTime":2484.496,"body":"that's a big,"},{"speaker":"Track 1","startTime":2482.906,"endTime":2484.496,"body":"big, big difference."},{"speaker":"Wojciech Wegrzynski","startTime":2484.661,"endTime":2486.501,"body":"And then"},{"speaker":"Wojciech Wegrzynski","startTime":2484.661,"endTime":2486.501,"body":"if you model it with, NSE"},{"speaker":"Wojciech Wegrzynski","startTime":2486.501,"endTime":2489.591,"body":"of D tool, if you have like"},{"speaker":"Wojciech Wegrzynski","startTime":2486.501,"endTime":2489.591,"body":"a 20 centimeter mesh, what"},{"speaker":"Wojciech Wegrzynski","startTime":2489.591,"endTime":2491.301,"body":"you're getting in the end is"},{"speaker":"Wojciech Wegrzynski","startTime":2489.591,"endTime":2491.301,"body":"an average temperature and"},{"speaker":"Wojciech Wegrzynski","startTime":2491.301,"endTime":2494.211,"body":"the yoursel, which half of"},{"speaker":"Wojciech Wegrzynski","startTime":2491.301,"endTime":2494.211,"body":"it may be a flame, half of"},{"speaker":"Wojciech Wegrzynski","startTime":2494.211,"endTime":2495.201,"body":"it is not the flame anymore."},{"speaker":"Wojciech Wegrzynski","startTime":2495.531,"endTime":2499.241,"body":"So, . I know it's not"},{"speaker":"Wojciech Wegrzynski","startTime":2495.531,"endTime":2499.241,"body":"necessarily a, you are not"},{"speaker":"Wojciech Wegrzynski","startTime":2499.241,"endTime":2502.121,"body":"comparing it to an average"},{"speaker":"Wojciech Wegrzynski","startTime":2499.241,"endTime":2502.121,"body":"temperature measurement over"},{"speaker":"Wojciech Wegrzynski","startTime":2502.121,"endTime":2503.501,"body":"the height of 20 centimeters."},{"speaker":"Wojciech Wegrzynski","startTime":2503.771,"endTime":2505.931,"body":"You're comparing to a point"},{"speaker":"Wojciech Wegrzynski","startTime":2503.771,"endTime":2505.931,"body":"measurement in a certain"},{"speaker":"Wojciech Wegrzynski","startTime":2505.931,"endTime":2507.941,"body":"position, not directly."},{"speaker":"Wojciech Wegrzynski","startTime":2507.941,"endTime":2511.244,"body":"So, it may be valuable to"},{"speaker":"Wojciech Wegrzynski","startTime":2507.941,"endTime":2511.244,"body":"also go different, , measures"},{"speaker":"Wojciech Wegrzynski","startTime":2511.244,"endTime":2512.144,"body":"than just temperature."},{"speaker":"Wojciech Wegrzynski","startTime":2512.774,"endTime":2516.054,"body":"Uh, I'm a huge fan of comparing"},{"speaker":"Wojciech Wegrzynski","startTime":2512.774,"endTime":2516.054,"body":"the, flows, the  computational"},{"speaker":"Wojciech Wegrzynski","startTime":2516.054,"endTime":2516.954,"body":"fluid dynamics software."},{"speaker":"Wojciech Wegrzynski","startTime":2517.074,"endTime":2519.744,"body":"So for like pressures,"},{"speaker":"Wojciech Wegrzynski","startTime":2517.074,"endTime":2519.744,"body":"the flows, that's"},{"speaker":"Wojciech Wegrzynski","startTime":2519.744,"endTime":2520.354,"body":"the bread and butter."},{"speaker":"Wojciech Wegrzynski","startTime":2520.354,"endTime":2522.894,"body":"All of the, the reason"},{"speaker":"Wojciech Wegrzynski","startTime":2520.354,"endTime":2522.894,"body":"why we have this tools."},{"speaker":"Wojciech Wegrzynski","startTime":2523.344,"endTime":2526.377,"body":"So comparing these, the"},{"speaker":"Wojciech Wegrzynski","startTime":2523.344,"endTime":2526.377,"body":"parameters to, in your"},{"speaker":"Wojciech Wegrzynski","startTime":2526.377,"endTime":2529.524,"body":"experiments versus, what"},{"speaker":"Wojciech Wegrzynski","startTime":2526.377,"endTime":2529.524,"body":"you've modeled is a really"},{"speaker":"Wojciech Wegrzynski","startTime":2529.524,"endTime":2532.524,"body":"good indication that whether"},{"speaker":"Wojciech Wegrzynski","startTime":2529.524,"endTime":2532.524,"body":"the model is, is correct or"},{"speaker":"Wojciech Wegrzynski","startTime":2532.524,"endTime":2535.634,"body":"not, How many times you've"},{"speaker":"Wojciech Wegrzynski","startTime":2532.524,"endTime":2535.634,"body":"seen in the issue tracker"},{"speaker":"Wojciech Wegrzynski","startTime":2535.634,"endTime":2539.514,"body":"someone reporting that, there"},{"speaker":"Wojciech Wegrzynski","startTime":2535.634,"endTime":2539.514,"body":"are simulation crashes or, or"},{"speaker":"Wojciech Wegrzynski","startTime":2539.514,"endTime":2544.777,"body":"they get an very bad, results"},{"speaker":"Wojciech Wegrzynski","startTime":2539.514,"endTime":2544.777,"body":"just to figure out that they"},{"speaker":"Wojciech Wegrzynski","startTime":2544.777,"endTime":2547.807,"body":"had like, uh, pressures of"},{"speaker":"Wojciech Wegrzynski","startTime":2544.777,"endTime":2547.807,"body":"hundreds, of thousands of"},{"speaker":"Wojciech Wegrzynski","startTime":2547.807,"endTime":2551.077,"body":"pascals, somewhere in the model"},{"speaker":"Wojciech Wegrzynski","startTime":2547.807,"endTime":2551.077,"body":"because of some stupid error and"},{"speaker":"Wojciech Wegrzynski","startTime":2551.077,"endTime":2554.497,"body":"they, they never, never checked"},{"speaker":"Wojciech Wegrzynski","startTime":2551.077,"endTime":2554.497,"body":"the pressures in their model."},{"speaker":"Wojciech Wegrzynski","startTime":2554.497,"endTime":2556.537,"body":"That, that, that"},{"speaker":"Wojciech Wegrzynski","startTime":2554.497,"endTime":2556.537,"body":"happens all the time."},{"speaker":"Wojciech Wegrzynski","startTime":2557.007,"endTime":2560.137,"body":"I guess you, you see a lot"},{"speaker":"Wojciech Wegrzynski","startTime":2557.007,"endTime":2560.137,"body":"dealing with the issue tracker."},{"speaker":"Jason Floyd","startTime":2560.847,"endTime":2561.087,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":2561.087,"endTime":2563.511,"body":"I mean, we definitely had"},{"speaker":"Jason Floyd","startTime":2561.087,"endTime":2563.511,"body":"a lot of issues where you"},{"speaker":"Jason Floyd","startTime":2563.511,"endTime":2566.811,"body":"have a, because the way the"},{"speaker":"Jason Floyd","startTime":2563.511,"endTime":2566.811,"body":"pressure solver in FDS works,"},{"speaker":"Jason Floyd","startTime":2566.811,"endTime":2567.891,"body":"you have a fully enclosed."},{"speaker":"Jason Floyd","startTime":2568.409,"endTime":2571.616,"body":"Volume, definitely were cases"},{"speaker":"Jason Floyd","startTime":2568.409,"endTime":2571.616,"body":"where that, let the problem,"},{"speaker":"Jason Floyd","startTime":2571.676,"endTime":2575.926,"body":"and Kevin did add in the last"},{"speaker":"Jason Floyd","startTime":2571.676,"endTime":2575.926,"body":"release this, uh, if the S now"},{"speaker":"Jason Floyd","startTime":2576.496,"endTime":2579.316,"body":"searches on its own, define what"},{"speaker":"Jason Floyd","startTime":2576.496,"endTime":2579.316,"body":"we call pressure zones, right?"},{"speaker":"Jason Floyd","startTime":2579.316,"endTime":2582.166,"body":"Sealed volumes that are somehow"},{"speaker":"Jason Floyd","startTime":2579.316,"endTime":2582.166,"body":"connected to an open vent."},{"speaker":"Jason Floyd","startTime":2582.196,"endTime":2584.879,"body":"And each pressure zone"},{"speaker":"Jason Floyd","startTime":2582.196,"endTime":2584.879,"body":"has its own treatment of"},{"speaker":"Jason Floyd","startTime":2584.879,"endTime":2585.839,"body":"the background pressure."},{"speaker":"Jason Floyd","startTime":2586.709,"endTime":2589.259,"body":"hopefully should go a long"},{"speaker":"Jason Floyd","startTime":2586.709,"endTime":2589.259,"body":"way to eliminating many,"},{"speaker":"Jason Floyd","startTime":2589.259,"endTime":2590.369,"body":"many of those issues."},{"speaker":"Jason Floyd","startTime":2590.399,"endTime":2594.602,"body":"Um, but yeah, but you do, you"},{"speaker":"Jason Floyd","startTime":2590.399,"endTime":2594.602,"body":"do see still people posting"},{"speaker":"Jason Floyd","startTime":2594.602,"endTime":2598.486,"body":"cases where, they've put a room"},{"speaker":"Jason Floyd","startTime":2594.602,"endTime":2598.486,"body":"or something in the middle of"},{"speaker":"Jason Floyd","startTime":2598.486,"endTime":2602.286,"body":"their domain, but they're not"},{"speaker":"Jason Floyd","startTime":2598.486,"endTime":2602.286,"body":"opened up any of the, exterior"},{"speaker":"Jason Floyd","startTime":2602.286,"endTime":2603.426,"body":"boundaries of the domain."},{"speaker":"Jason Floyd","startTime":2603.426,"endTime":2606.299,"body":"And, you know, they're like,"},{"speaker":"Jason Floyd","startTime":2603.426,"endTime":2606.299,"body":"well, my fire comes out, you"},{"speaker":"Jason Floyd","startTime":2606.299,"endTime":2608.489,"body":"have the seal box and you've"},{"speaker":"Jason Floyd","startTime":2606.299,"endTime":2608.489,"body":"burned up all the oxygen."},{"speaker":"Jason Floyd","startTime":2608.899,"endTime":2610.399,"body":"and again, that I"},{"speaker":"Jason Floyd","startTime":2608.899,"endTime":2610.399,"body":"think that goes to."},{"speaker":"Jason Floyd","startTime":2611.251,"endTime":2614.974,"body":"aren't always taking the"},{"speaker":"Jason Floyd","startTime":2611.251,"endTime":2614.974,"body":"time, to learn FDS in there."},{"speaker":"Jason Floyd","startTime":2614.974,"endTime":2616.084,"body":"It's more than just right."},{"speaker":"Jason Floyd","startTime":2616.76,"endTime":2619.247,"body":"jumping into the problem"},{"speaker":"Jason Floyd","startTime":2616.76,"endTime":2619.247,"body":"you're trying to solve."},{"speaker":"Jason Floyd","startTime":2619.247,"endTime":2619.49,"body":"Right."},{"speaker":"Jason Floyd","startTime":2619.491,"endTime":2622.881,"body":"it takes, it takes a long time"},{"speaker":"Jason Floyd","startTime":2619.491,"endTime":2622.881,"body":"to become a really good FDS"},{"speaker":"Jason Floyd","startTime":2622.881,"endTime":2626.784,"body":"user and you should, start"},{"speaker":"Jason Floyd","startTime":2622.881,"endTime":2626.784,"body":"with simple problems, playing"},{"speaker":"Jason Floyd","startTime":2626.784,"endTime":2629.597,"body":"with inputs and seeing,  if"},{"speaker":"Jason Floyd","startTime":2626.784,"endTime":2629.597,"body":"you're understanding, when"},{"speaker":"Jason Floyd","startTime":2629.597,"endTime":2631.787,"body":"you change this and the"},{"speaker":"Jason Floyd","startTime":2629.597,"endTime":2631.787,"body":"simulation there's, this does"},{"speaker":"Jason Floyd","startTime":2631.787,"endTime":2632.807,"body":"it, does that make sense?"},{"speaker":"Jason Floyd","startTime":2632.807,"endTime":2635.657,"body":"And, you know, you spent some"},{"speaker":"Jason Floyd","startTime":2632.807,"endTime":2635.657,"body":"time doing that before you leap"},{"speaker":"Jason Floyd","startTime":2635.657,"endTime":2639.201,"body":"into your massive, full scale."},{"speaker":"Jason Floyd","startTime":2639.261,"endTime":2640.131,"body":"Let's get a problem."},{"speaker":"Wojciech Wegrzynski","startTime":2640.566,"endTime":2644.166,"body":"I would"},{"speaker":"Wojciech Wegrzynski","startTime":2640.566,"endTime":2644.166,"body":"qualify FDS under easy to"},{"speaker":"Wojciech Wegrzynski","startTime":2644.166,"endTime":2647.916,"body":"learn how to master, you"},{"speaker":"Wojciech Wegrzynski","startTime":2644.166,"endTime":2647.916,"body":"know, it's very easy to set"},{"speaker":"Wojciech Wegrzynski","startTime":2647.916,"endTime":2649.086,"body":"up your first simulation."},{"speaker":"Wojciech Wegrzynski","startTime":2649.086,"endTime":2649.506,"body":"And"},{"speaker":"Jason Floyd","startTime":2649.691,"endTime":2651.887,"body":"It's very"},{"speaker":"Jason Floyd","startTime":2649.691,"endTime":2651.887,"body":"easy to set up and, I think"},{"speaker":"Jason Floyd","startTime":2651.887,"endTime":2653.777,"body":"I mean, it does, there's"},{"speaker":"Jason Floyd","startTime":2651.887,"endTime":2653.777,"body":"good and bad for that."},{"speaker":"Jason Floyd","startTime":2654.328,"endTime":2657.088,"body":"The downside is that it"},{"speaker":"Jason Floyd","startTime":2654.328,"endTime":2657.088,"body":"also means that you can"},{"speaker":"Jason Floyd","startTime":2657.088,"endTime":2659.878,"body":"get people who use it"},{"speaker":"Jason Floyd","startTime":2657.088,"endTime":2659.878,"body":"without taking the time."},{"speaker":"Jason Floyd","startTime":2661.048,"endTime":2661.348,"body":"So."},{"speaker":"Wojciech Wegrzynski","startTime":2661.499,"endTime":2664.439,"body":"I see much"},{"speaker":"Wojciech Wegrzynski","startTime":2661.499,"endTime":2664.439,"body":"more good in it than the bad"},{"speaker":"Wojciech Wegrzynski","startTime":2664.439,"endTime":2667.409,"body":"things, because the bad things"},{"speaker":"Wojciech Wegrzynski","startTime":2664.439,"endTime":2667.409,"body":"relate to people's character."},{"speaker":"Wojciech Wegrzynski","startTime":2667.409,"endTime":2670.179,"body":"If you're a person that"},{"speaker":"Wojciech Wegrzynski","startTime":2667.409,"endTime":2670.179,"body":"would just, take a toll, you"},{"speaker":"Wojciech Wegrzynski","startTime":2670.179,"endTime":2672.849,"body":"learn five minutes ago and"},{"speaker":"Wojciech Wegrzynski","startTime":2670.179,"endTime":2672.849,"body":"then use it as an Oracle,"},{"speaker":"Wojciech Wegrzynski","startTime":2673.179,"endTime":2676.809,"body":"then, uh, you should be in,"},{"speaker":"Wojciech Wegrzynski","startTime":2673.179,"endTime":2676.809,"body":"in fortune telling business,"},{"speaker":"Wojciech Wegrzynski","startTime":2676.809,"endTime":2678.489,"body":"not in, in fire research."},{"speaker":"Wojciech Wegrzynski","startTime":2678.979,"endTime":2681.953,"body":"And, I also think that the,"},{"speaker":"Wojciech Wegrzynski","startTime":2678.979,"endTime":2681.953,"body":"the fact that it's easy"},{"speaker":"Wojciech Wegrzynski","startTime":2681.953,"endTime":2686.359,"body":"to learn and there's not"},{"speaker":"Wojciech Wegrzynski","startTime":2681.953,"endTime":2686.359,"body":"really steep, requirements."},{"speaker":"Wojciech Wegrzynski","startTime":2687.444,"endTime":2688.614,"body":"It's a great learning tool."},{"speaker":"Wojciech Wegrzynski","startTime":2688.674,"endTime":2694.494,"body":"And if you learn and appreciate"},{"speaker":"Wojciech Wegrzynski","startTime":2688.674,"endTime":2694.494,"body":"what's happening and appreciate"},{"speaker":"Wojciech Wegrzynski","startTime":2694.494,"endTime":2700.314,"body":"the learning process and really"},{"speaker":"Wojciech Wegrzynski","startTime":2694.494,"endTime":2700.314,"body":"put your heart into it, trying"},{"speaker":"Wojciech Wegrzynski","startTime":2700.314,"endTime":2703.644,"body":"to understand what's happening,"},{"speaker":"Wojciech Wegrzynski","startTime":2700.314,"endTime":2703.644,"body":"you can really learn a lot."},{"speaker":"Wojciech Wegrzynski","startTime":2704.034,"endTime":2707.808,"body":"Even now I have, people in my"},{"speaker":"Wojciech Wegrzynski","startTime":2704.034,"endTime":2707.808,"body":"office who would like to learn"},{"speaker":"Wojciech Wegrzynski","startTime":2707.808,"endTime":2711.138,"body":"ANSYS which we're using in the"},{"speaker":"Wojciech Wegrzynski","startTime":2707.808,"endTime":2711.138,"body":"office and they tell them, okay,"},{"speaker":"Wojciech Wegrzynski","startTime":2711.138,"endTime":2714.468,"body":"first, first step for you, if"},{"speaker":"Wojciech Wegrzynski","startTime":2711.138,"endTime":2714.468,"body":"you've never done fire CVD or"},{"speaker":"Wojciech Wegrzynski","startTime":2714.468,"endTime":2715.988,"body":"anything, you should learn FDS"},{"speaker":"Wojciech Wegrzynski","startTime":2716.008,"endTime":2716.338,"body":"yes."},{"speaker":"Wojciech Wegrzynski","startTime":2716.368,"endTime":2718.348,"body":"I mean that, that's the"},{"speaker":"Wojciech Wegrzynski","startTime":2716.368,"endTime":2718.348,"body":"first step, because you"},{"speaker":"Wojciech Wegrzynski","startTime":2718.348,"endTime":2721.798,"body":"will understand the problem"},{"speaker":"Wojciech Wegrzynski","startTime":2718.348,"endTime":2721.798,"body":"you are trying to solve"},{"speaker":"Wojciech Wegrzynski","startTime":2721.798,"endTime":2722.848,"body":"with the numerical model."},{"speaker":"Wojciech Wegrzynski","startTime":2723.503,"endTime":2727.293,"body":"And then once you are good"},{"speaker":"Wojciech Wegrzynski","startTime":2723.503,"endTime":2727.293,"body":"with that, then switching the"},{"speaker":"Wojciech Wegrzynski","startTime":2727.313,"endTime":2732.203,"body":"tool into another tool will"},{"speaker":"Wojciech Wegrzynski","startTime":2727.313,"endTime":2732.203,"body":"be a very easy, or maybe not"},{"speaker":"Wojciech Wegrzynski","startTime":2732.203,"endTime":2734.843,"body":"very easy, but it will be"},{"speaker":"Wojciech Wegrzynski","startTime":2732.203,"endTime":2734.843,"body":"an easier experience for you"},{"speaker":"Wojciech Wegrzynski","startTime":2735.203,"endTime":2739.063,"body":"than just, stepping into very"},{"speaker":"Wojciech Wegrzynski","startTime":2735.203,"endTime":2739.063,"body":"complicated tool from the start."},{"speaker":"Wojciech Wegrzynski","startTime":2739.063,"endTime":2742.633,"body":"Without this knowledge, you"},{"speaker":"Wojciech Wegrzynski","startTime":2739.063,"endTime":2742.633,"body":"get by learning as, and it"},{"speaker":"Wojciech Wegrzynski","startTime":2742.633,"endTime":2745.993,"body":"was my path into engineering,"},{"speaker":"Wojciech Wegrzynski","startTime":2742.633,"endTime":2745.993,"body":"you know, learning FDS  first"},{"speaker":"Wojciech Wegrzynski","startTime":2745.993,"endTime":2749.523,"body":"and moving into different,"},{"speaker":"Wojciech Wegrzynski","startTime":2745.993,"endTime":2749.523,"body":"softwares, without any"},{"speaker":"Wojciech Wegrzynski","startTime":2749.523,"endTime":2752.673,"body":"particular reason outside of"},{"speaker":"Wojciech Wegrzynski","startTime":2749.523,"endTime":2752.673,"body":"that, the work environment"},{"speaker":"Wojciech Wegrzynski","startTime":2752.673,"endTime":2754.053,"body":"I entered use the software."},{"speaker":"Wojciech Wegrzynski","startTime":2754.353,"endTime":2756.423,"body":"So it was not a choice"},{"speaker":"Wojciech Wegrzynski","startTime":2754.353,"endTime":2756.423,"body":"that I didn't like"},{"speaker":"Wojciech Wegrzynski","startTime":2756.423,"endTime":2757.203,"body":"the software anymore."},{"speaker":"Wojciech Wegrzynski","startTime":2757.203,"endTime":2758.103,"body":"I needed a different one."},{"speaker":"Wojciech Wegrzynski","startTime":2758.313,"endTime":2761.408,"body":"It was just, a matter of the,"},{"speaker":"Wojciech Wegrzynski","startTime":2758.313,"endTime":2761.408,"body":"of the environment they fainted,"},{"speaker":"Jason Floyd","startTime":2761.72,"endTime":2763.88,"body":"a good sort of"},{"speaker":"Jason Floyd","startTime":2761.72,"endTime":2763.88,"body":"comment you made about FDS"},{"speaker":"Jason Floyd","startTime":2763.88,"endTime":2765.02,"body":"and then more complex tools."},{"speaker":"Jason Floyd","startTime":2765.02,"endTime":2768.86,"body":"I think the same thing applies"},{"speaker":"Jason Floyd","startTime":2765.02,"endTime":2768.86,"body":"to just using FDS, right?"},{"speaker":"Jason Floyd","startTime":2768.86,"endTime":2772.343,"body":"I mean, there are in, many"},{"speaker":"Jason Floyd","startTime":2768.86,"endTime":2772.343,"body":"cases, problems that people"},{"speaker":"Jason Floyd","startTime":2772.343,"endTime":2777.27,"body":"using FDS for there are, can"},{"speaker":"Jason Floyd","startTime":2772.343,"endTime":2777.27,"body":"calculations or zoned model"},{"speaker":"Jason Floyd","startTime":2777.27,"endTime":2781.32,"body":"can provide you some insights,"},{"speaker":"Jason Floyd","startTime":2777.27,"endTime":2781.32,"body":"maybe, maybe not the detailed"},{"speaker":"Jason Floyd","startTime":2781.32,"endTime":2783.57,"body":"answer that you need, but"},{"speaker":"Jason Floyd","startTime":2781.32,"endTime":2783.57,"body":"they can sort of give you"},{"speaker":"Jason Floyd","startTime":2783.57,"endTime":2788.16,"body":"some insights as to where"},{"speaker":"Jason Floyd","startTime":2783.57,"endTime":2788.16,"body":"you think that answer lies."},{"speaker":"Jason Floyd","startTime":2788.81,"endTime":2792.56,"body":"I think, you know, you see that"},{"speaker":"Jason Floyd","startTime":2788.81,"endTime":2792.56,"body":"also sometimes in discussions"},{"speaker":"Jason Floyd","startTime":2792.56,"endTime":2795.613,"body":"on the forum and an issues,"},{"speaker":"Jason Floyd","startTime":2792.56,"endTime":2795.613,"body":"you know, where people sort"},{"speaker":"Jason Floyd","startTime":2795.613,"endTime":2798.883,"body":"of want a simulation, get"},{"speaker":"Jason Floyd","startTime":2795.613,"endTime":2798.883,"body":"some strange results, you"},{"speaker":"Jason Floyd","startTime":2798.883,"endTime":2801.636,"body":"know, sort of throw their"},{"speaker":"Jason Floyd","startTime":2798.883,"endTime":2801.636,"body":"hands up rather than, maybe."},{"speaker":"Jason Floyd","startTime":2801.856,"endTime":2804.121,"body":"Trying to simplify it down"},{"speaker":"Jason Floyd","startTime":2801.856,"endTime":2804.121,"body":"to the point where they"},{"speaker":"Jason Floyd","startTime":2804.121,"endTime":2807.405,"body":"can use a correlation or"},{"speaker":"Jason Floyd","startTime":2804.121,"endTime":2807.405,"body":"zone model and, see is that"},{"speaker":"Jason Floyd","startTime":2807.405,"endTime":2809.955,"body":"answer making sense or what's"},{"speaker":"Jason Floyd","startTime":2807.405,"endTime":2809.955,"body":"what, what seems to be off?"},{"speaker":"Jason Floyd","startTime":2809.955,"endTime":2812.445,"body":"I think, there's definitely"},{"speaker":"Jason Floyd","startTime":2809.955,"endTime":2812.445,"body":"a lot of value in, you know,"},{"speaker":"Jason Floyd","startTime":2812.465,"endTime":2816.515,"body":"before you go right into that"},{"speaker":"Jason Floyd","startTime":2812.465,"endTime":2816.515,"body":"complex tool to learn some"},{"speaker":"Jason Floyd","startTime":2816.515,"endTime":2820.271,"body":"simpler tools so that you sort"},{"speaker":"Jason Floyd","startTime":2816.515,"endTime":2820.271,"body":"of build some, experienced"},{"speaker":"Jason Floyd","startTime":2820.271,"endTime":2823.031,"body":"history in your mind as to"},{"speaker":"Jason Floyd","startTime":2820.271,"endTime":2823.031,"body":"the kinds of answers you, you"},{"speaker":"Jason Floyd","startTime":2823.031,"endTime":2824.501,"body":"expect for different problems."},{"speaker":"Jason Floyd","startTime":2825.071,"endTime":2826.891,"body":"and that way, as you, as"},{"speaker":"Jason Floyd","startTime":2825.071,"endTime":2826.891,"body":"you start getting to more"},{"speaker":"Jason Floyd","startTime":2826.891,"endTime":2830.101,"body":"complex things, you have"},{"speaker":"Jason Floyd","startTime":2826.891,"endTime":2830.101,"body":"something to rely upon"},{"speaker":"Jason Floyd","startTime":2830.191,"endTime":2831.451,"body":"in terms of experiences."},{"speaker":"Jason Floyd","startTime":2831.451,"endTime":2834.781,"body":"Is this answer looking"},{"speaker":"Jason Floyd","startTime":2831.451,"endTime":2834.781,"body":"reasonable or do I"},{"speaker":"Jason Floyd","startTime":2834.781,"endTime":2835.891,"body":"need to rethink the."},{"speaker":"Wojciech Wegrzynski","startTime":2836.881,"endTime":2838.051,"body":"I"},{"speaker":"Wojciech Wegrzynski","startTime":2836.881,"endTime":2838.051,"body":"really appreciate this answer"},{"speaker":"Wojciech Wegrzynski","startTime":2838.051,"endTime":2840.931,"body":"because it also answers a"},{"speaker":"Wojciech Wegrzynski","startTime":2838.051,"endTime":2840.931,"body":"question that was posed in"},{"speaker":"Wojciech Wegrzynski","startTime":2840.931,"endTime":2841.801,"body":"the middle of the podcast."},{"speaker":"Wojciech Wegrzynski","startTime":2841.801,"endTime":2845.431,"body":"What do I do when I face a very"},{"speaker":"Wojciech Wegrzynski","startTime":2841.801,"endTime":2845.431,"body":"complicated problem, which I"},{"speaker":"Wojciech Wegrzynski","startTime":2845.431,"endTime":2846.991,"body":"don't have experiments for?"},{"speaker":"Wojciech Wegrzynski","startTime":2847.261,"endTime":2849.961,"body":"I mean, this is also a good"},{"speaker":"Wojciech Wegrzynski","startTime":2847.261,"endTime":2849.961,"body":"answer that you model it with"},{"speaker":"Wojciech Wegrzynski","startTime":2849.961,"endTime":2854.301,"body":"different tools and at least see"},{"speaker":"Wojciech Wegrzynski","startTime":2849.961,"endTime":2854.301,"body":"the, are you within the scales?"},{"speaker":"Wojciech Wegrzynski","startTime":2854.301,"endTime":2857.811,"body":"You know, are you like 10%"},{"speaker":"Wojciech Wegrzynski","startTime":2854.301,"endTime":2857.811,"body":"of, or thousands of percent"},{"speaker":"Wojciech Wegrzynski","startTime":2857.841,"endTime":2860.271,"body":"of, because that's a very"},{"speaker":"Wojciech Wegrzynski","startTime":2857.841,"endTime":2860.271,"body":"good indication where you"},{"speaker":"Wojciech Wegrzynski","startTime":2860.271,"endTime":2862.011,"body":"should be more or less."},{"speaker":"Wojciech Wegrzynski","startTime":2862.401,"endTime":2865.305,"body":"So, this goes the experience"},{"speaker":"Wojciech Wegrzynski","startTime":2862.401,"endTime":2865.305,"body":"and, and, uh, I really"},{"speaker":"Wojciech Wegrzynski","startTime":2865.305,"endTime":2868.371,"body":"appreciate the mentioning, other"},{"speaker":"Wojciech Wegrzynski","startTime":2865.305,"endTime":2868.371,"body":"schools in existence because"},{"speaker":"Wojciech Wegrzynski","startTime":2868.761,"endTime":2872.751,"body":"we are living in this very,"},{"speaker":"Wojciech Wegrzynski","startTime":2868.761,"endTime":2872.751,"body":"very weird age where sometimes"},{"speaker":"Wojciech Wegrzynski","startTime":2872.751,"endTime":2875.901,"body":"it's more difficult to convince"},{"speaker":"Wojciech Wegrzynski","startTime":2872.751,"endTime":2875.901,"body":"someone they don't need CFD."},{"speaker":"Wojciech Wegrzynski","startTime":2875.901,"endTime":2877.041,"body":"Didn't convince them they need,"},{"speaker":"Jason Floyd","startTime":2877.546,"endTime":2877.786,"body":"Yeah."},{"speaker":"Jason Floyd","startTime":2877.786,"endTime":2881.313,"body":"And I think that also,"},{"speaker":"Jason Floyd","startTime":2877.786,"endTime":2881.313,"body":"challenge at times is,"},{"speaker":"Jason Floyd","startTime":2881.683,"endTime":2883.753,"body":"especially sort of in the"},{"speaker":"Jason Floyd","startTime":2881.683,"endTime":2883.753,"body":"consulting world, right."},{"speaker":"Jason Floyd","startTime":2884.953,"endTime":2887.383,"body":"Client wants that"},{"speaker":"Jason Floyd","startTime":2884.953,"endTime":2887.383,"body":"pretty picture."},{"speaker":"Jason Floyd","startTime":2887.753,"endTime":2890.213,"body":", but you know, there's"},{"speaker":"Jason Floyd","startTime":2887.753,"endTime":2890.213,"body":"a, a simple tool that's"},{"speaker":"Jason Floyd","startTime":2890.213,"endTime":2892.283,"body":"going to give them as"},{"speaker":"Jason Floyd","startTime":2890.213,"endTime":2892.283,"body":"good or maybe even better."},{"speaker":"Jason Floyd","startTime":2894.233,"endTime":2897.17,"body":", I think there, we gotta do"},{"speaker":"Jason Floyd","startTime":2894.233,"endTime":2897.17,"body":"a better job sometimes of"},{"speaker":"Jason Floyd","startTime":2897.17,"endTime":2901.31,"body":"educating, , clients, about what"},{"speaker":"Jason Floyd","startTime":2897.17,"endTime":2901.31,"body":"these tools can and can't do."},{"speaker":"Jason Floyd","startTime":2901.31,"endTime":2903.96,"body":"And not just always,"},{"speaker":"Jason Floyd","startTime":2901.31,"endTime":2903.96,"body":"do what they ask."},{"speaker":"Jason Floyd","startTime":2904.0,"endTime":2906.49,"body":"You know, sometimes you have to"},{"speaker":"Jason Floyd","startTime":2904.0,"endTime":2906.49,"body":"take the time to educate them"},{"speaker":"Jason Floyd","startTime":2906.91,"endTime":2910.51,"body":"to get them to understand that"},{"speaker":"Jason Floyd","startTime":2906.91,"endTime":2910.51,"body":"no, in this case, all we really"},{"speaker":"Jason Floyd","startTime":2910.51,"endTime":2911.83,"body":"need is this hand calculation."},{"speaker":"Jason Floyd","startTime":2911.95,"endTime":2913.96,"body":"You're getting a better answer."},{"speaker":"Wojciech Wegrzynski","startTime":2914.343,"endTime":2914.583,"body":"Yeah."},{"speaker":"Wojciech Wegrzynski","startTime":2914.726,"endTime":2917.253,"body":"Now, because we're running"},{"speaker":"Wojciech Wegrzynski","startTime":2914.726,"endTime":2917.253,"body":"out of time and there's one"},{"speaker":"Wojciech Wegrzynski","startTime":2917.253,"endTime":2919.203,"body":"more thing I need to ask you."},{"speaker":"Wojciech Wegrzynski","startTime":2919.923,"endTime":2922.863,"body":"How's life at the Fire Safety"},{"speaker":"Wojciech Wegrzynski","startTime":2919.923,"endTime":2922.863,"body":"Research Institute, man,"},{"speaker":"Wojciech Wegrzynski","startTime":2922.863,"endTime":2926.533,"body":"that was a, a twist of career"},{"speaker":"Wojciech Wegrzynski","startTime":2922.863,"endTime":2926.533,"body":"for four youth when he is at"},{"speaker":"Wojciech Wegrzynski","startTime":2926.533,"endTime":2931.063,"body":"that Jensen Hughes and then"},{"speaker":"Wojciech Wegrzynski","startTime":2926.533,"endTime":2931.063,"body":"moving into UL FSRI, I guess"},{"speaker":"Wojciech Wegrzynski","startTime":2931.063,"endTime":2934.513,"body":"you're driving there because,"},{"speaker":"Wojciech Wegrzynski","startTime":2931.063,"endTime":2934.513,"body":"uh, I love organization"},{"speaker":"Wojciech Wegrzynski","startTime":2934.513,"endTime":2936.616,"body":"and, uh, when they sold it,"},{"speaker":"Wojciech Wegrzynski","startTime":2934.513,"endTime":2936.616,"body":"the announcement that you"},{"speaker":"Wojciech Wegrzynski","startTime":2936.616,"endTime":2939.046,"body":"were moving out, I thought,"},{"speaker":"Wojciech Wegrzynski","startTime":2936.616,"endTime":2939.046,"body":"oh, what the perfect match."},{"speaker":"Wojciech Wegrzynski","startTime":2939.496,"endTime":2940.906,"body":"You're going to"},{"speaker":"Wojciech Wegrzynski","startTime":2939.496,"endTime":2940.906,"body":"have a great time."},{"speaker":"Wojciech Wegrzynski","startTime":2940.906,"endTime":2942.616,"body":"So are you having"},{"speaker":"Wojciech Wegrzynski","startTime":2940.906,"endTime":2942.616,"body":"a great diamond"},{"speaker":"Jason Floyd","startTime":2943.196,"endTime":2946.304,"body":"This is a really"},{"speaker":"Jason Floyd","startTime":2943.196,"endTime":2946.304,"body":"great organization to work with."},{"speaker":"Jason Floyd","startTime":2946.34,"endTime":2949.04,"body":"you know, there's a lot of"},{"speaker":"Jason Floyd","startTime":2946.34,"endTime":2949.04,"body":"great, great, great people"},{"speaker":"Jason Floyd","startTime":2949.04,"endTime":2950.24,"body":"here too, to work with."},{"speaker":"Jason Floyd","startTime":2950.593,"endTime":2952.333,"body":"there's a lot of really"},{"speaker":"Jason Floyd","startTime":2950.593,"endTime":2952.333,"body":"interesting experiments"},{"speaker":"Jason Floyd","startTime":2952.333,"endTime":2954.073,"body":"they've done over the years."},{"speaker":"Jason Floyd","startTime":2954.073,"endTime":2954.553,"body":"So does this."},{"speaker":"Jason Floyd","startTime":2955.568,"endTime":2958.738,"body":"The data that's sitting out"},{"speaker":"Jason Floyd","startTime":2955.568,"endTime":2958.738,"body":"there,  you have to analyze"},{"speaker":"Jason Floyd","startTime":2958.738,"endTime":2960.448,"body":"and model and, and understand."},{"speaker":"Jason Floyd","startTime":2960.448,"endTime":2963.388,"body":"And it's also really nice to"},{"speaker":"Jason Floyd","startTime":2960.448,"endTime":2963.388,"body":"sort of be in a position of,"},{"speaker":"Jason Floyd","startTime":2963.609,"endTime":2968.848,"body":"being at an Institute where,"},{"speaker":"Jason Floyd","startTime":2963.609,"endTime":2968.848,"body":"we're essentially self-funded"},{"speaker":"Jason Floyd","startTime":2968.848,"endTime":2971.721,"body":"so that, definitely helps, you"},{"speaker":"Jason Floyd","startTime":2968.848,"endTime":2971.721,"body":"know, we're going to eliminate"},{"speaker":"Jason Floyd","startTime":2971.731,"endTime":2975.528,"body":"a lot of that burden of sort of"},{"speaker":"Jason Floyd","startTime":2971.731,"endTime":2975.528,"body":"the grant and proposal writing."},{"speaker":"Jason Floyd","startTime":2976.065,"endTime":2979.255,"body":"you know, and it just lets"},{"speaker":"Jason Floyd","startTime":2976.065,"endTime":2979.255,"body":"us focus on doing, doing"},{"speaker":"Jason Floyd","startTime":2979.255,"endTime":2982.161,"body":"the research and then doing,"},{"speaker":"Jason Floyd","startTime":2979.255,"endTime":2982.161,"body":"doing the work and, it"},{"speaker":"Jason Floyd","startTime":2982.161,"endTime":2985.551,"body":"gives us more time to work"},{"speaker":"Jason Floyd","startTime":2982.161,"endTime":2985.551,"body":"with our stakeholders and"},{"speaker":"Jason Floyd","startTime":2985.551,"endTime":2988.345,"body":"understand their problems"},{"speaker":"Jason Floyd","startTime":2985.551,"endTime":2988.345,"body":"and how we can help them."},{"speaker":"Jason Floyd","startTime":2988.915,"endTime":2990.265,"body":"Um, yeah, so it's"},{"speaker":"Jason Floyd","startTime":2988.915,"endTime":2990.265,"body":"been, it's been great."},{"speaker":"Jason Floyd","startTime":2990.518,"endTime":2992.481,"body":"I feel kind of like, getting"},{"speaker":"Jason Floyd","startTime":2990.518,"endTime":2992.481,"body":"the playground, but then"},{"speaker":"Wojciech Wegrzynski","startTime":2992.646,"endTime":2993.036,"body":"Yeah."},{"speaker":"Wojciech Wegrzynski","startTime":2994.056,"endTime":2994.536,"body":"Nice."},{"speaker":"Wojciech Wegrzynski","startTime":2994.756,"endTime":2995.986,"body":"And what was the number one?"},{"speaker":"Wojciech Wegrzynski","startTime":2995.986,"endTime":2997.756,"body":"Most exciting thing"},{"speaker":"Wojciech Wegrzynski","startTime":2995.986,"endTime":2997.756,"body":"you're working on now,"},{"speaker":"Wojciech Wegrzynski","startTime":2997.786,"endTime":2998.926,"body":"unless it's top secret."},{"speaker":"Jason Floyd","startTime":2999.235,"endTime":3001.415,"body":"I guess one of"},{"speaker":"Jason Floyd","startTime":2999.235,"endTime":3001.415,"body":"the more interesting is I, I."},{"speaker":"Jason Floyd","startTime":3001.865,"endTime":3004.885,"body":"Starting to do here, but work"},{"speaker":"Jason Floyd","startTime":3001.865,"endTime":3004.885,"body":"with, Dan Madrzykowski they"},{"speaker":"Jason Floyd","startTime":3005.215,"endTime":3008.661,"body":"do a lot of work with fire"},{"speaker":"Jason Floyd","startTime":3005.215,"endTime":3008.661,"body":"service, they help out, you"},{"speaker":"Jason Floyd","startTime":3008.661,"endTime":3011.451,"body":"know, at times where things have"},{"speaker":"Jason Floyd","startTime":3008.661,"endTime":3011.451,"body":"gone wrong in the fire ground,"},{"speaker":"Jason Floyd","startTime":3011.805,"endTime":3016.991,"body":"and help fire departments"},{"speaker":"Jason Floyd","startTime":3011.805,"endTime":3016.991,"body":"understand, are there changes in"},{"speaker":"Jason Floyd","startTime":3017.291,"endTime":3022.561,"body":"tactics or decision-making that"},{"speaker":"Jason Floyd","startTime":3017.291,"endTime":3022.561,"body":"might, help reduce injuries,"},{"speaker":"Jason Floyd","startTime":3022.658,"endTime":3024.011,"body":"while, fight fighting fires."},{"speaker":"Jason Floyd","startTime":3024.011,"endTime":3026.145,"body":"And so I've been helping"},{"speaker":"Jason Floyd","startTime":3024.011,"endTime":3026.145,"body":"him with, it's sort of a"},{"speaker":"Jason Floyd","startTime":3026.145,"endTime":3030.208,"body":"mix of, It's modeling it's"},{"speaker":"Jason Floyd","startTime":3026.145,"endTime":3030.208,"body":"it's investigation, right?"},{"speaker":"Jason Floyd","startTime":3030.208,"endTime":3032.818,"body":"You're trying to piece"},{"speaker":"Jason Floyd","startTime":3030.208,"endTime":3032.818,"body":"together photos and witness"},{"speaker":"Jason Floyd","startTime":3032.818,"endTime":3036.898,"body":"statements and videos, and"},{"speaker":"Jason Floyd","startTime":3032.818,"endTime":3036.898,"body":"then try and couple that with"},{"speaker":"Jason Floyd","startTime":3036.898,"endTime":3039.418,"body":"modeling to help understand"},{"speaker":"Jason Floyd","startTime":3036.898,"endTime":3039.418,"body":"how their actions have"},{"speaker":"Jason Floyd","startTime":3039.688,"endTime":3041.188,"body":"changed the fire environment."},{"speaker":"Jason Floyd","startTime":3041.958,"endTime":3044.511,"body":"And then trying to"},{"speaker":"Jason Floyd","startTime":3041.958,"endTime":3044.511,"body":"understand, we're, where"},{"speaker":"Jason Floyd","startTime":3044.511,"endTime":3047.331,"body":"our decision points, where"},{"speaker":"Jason Floyd","startTime":3044.511,"endTime":3047.331,"body":"you might've had an impact."},{"speaker":"Jason Floyd","startTime":3047.331,"endTime":3050.055,"body":"So it's really kind of"},{"speaker":"Jason Floyd","startTime":3047.331,"endTime":3050.055,"body":"a fun, detective kind"},{"speaker":"Jason Floyd","startTime":3050.055,"endTime":3051.368,"body":"of problem, to do."},{"speaker":"Wojciech Wegrzynski","startTime":3051.793,"endTime":3054.27,"body":"That's"},{"speaker":"Wojciech Wegrzynski","startTime":3051.793,"endTime":3054.27,"body":"the most appreciated research."},{"speaker":"Wojciech Wegrzynski","startTime":3054.27,"endTime":3057.06,"body":"And, uh, there was a lot"},{"speaker":"Wojciech Wegrzynski","startTime":3054.27,"endTime":3057.06,"body":"of that coming from UL."},{"speaker":"Wojciech Wegrzynski","startTime":3057.42,"endTime":3062.046,"body":"And I guess there, we, we will"},{"speaker":"Wojciech Wegrzynski","startTime":3057.42,"endTime":3062.046,"body":"see a lot more, Jason, thank"},{"speaker":"Wojciech Wegrzynski","startTime":3062.046,"endTime":3063.423,"body":"you for your time in here."},{"speaker":"Wojciech Wegrzynski","startTime":3063.903,"endTime":3067.473,"body":"Mostly thank you for your"},{"speaker":"Wojciech Wegrzynski","startTime":3063.903,"endTime":3067.473,"body":"efforts in, uh, in working"},{"speaker":"Wojciech Wegrzynski","startTime":3067.473,"endTime":3071.973,"body":"with FDS, developing FDS"},{"speaker":"Wojciech Wegrzynski","startTime":3067.473,"endTime":3071.973,"body":"within Doug about HVC solver"},{"speaker":"Wojciech Wegrzynski","startTime":3072.273,"endTime":3076.083,"body":"in the, in this  I certainly"},{"speaker":"Wojciech Wegrzynski","startTime":3072.273,"endTime":3076.083,"body":"appreciate all the work that"},{"speaker":"Wojciech Wegrzynski","startTime":3076.083,"endTime":3080.133,"body":"has been put into that part"},{"speaker":"Wojciech Wegrzynski","startTime":3076.083,"endTime":3080.133,"body":"of the, of that model, because"},{"speaker":"Wojciech Wegrzynski","startTime":3080.133,"endTime":3081.783,"body":"it's, it's, it's brilliant."},{"speaker":"Wojciech Wegrzynski","startTime":3081.843,"endTime":3085.036,"body":"I would love to have, a"},{"speaker":"Wojciech Wegrzynski","startTime":3081.843,"endTime":3085.036,"body":"clone of that in ANSYS."},{"speaker":"Wojciech Wegrzynski","startTime":3085.096,"endTime":3088.266,"body":"Like seriously, I, I believe"},{"speaker":"Wojciech Wegrzynski","startTime":3085.096,"endTime":3088.266,"body":"that, copycatting is the highest"},{"speaker":"Wojciech Wegrzynski","startTime":3088.266,"endTime":3095.5,"body":"form of admiration, so we may"},{"speaker":"Wojciech Wegrzynski","startTime":3088.266,"endTime":3095.5,"body":"actually go there, but I, uh,"},{"speaker":"Wojciech Wegrzynski","startTime":3096.46,"endTime":3097.77,"body":"it's a brilliant idea  that's."},{"speaker":"Wojciech Wegrzynski","startTime":3098.71,"endTime":3099.79,"body":"Executed even better."},{"speaker":"Wojciech Wegrzynski","startTime":3099.82,"endTime":3103.296,"body":"So, so I, I appreciate that and"},{"speaker":"Wojciech Wegrzynski","startTime":3099.82,"endTime":3103.296,"body":"I appreciate you, responding"},{"speaker":"Wojciech Wegrzynski","startTime":3103.296,"endTime":3105.226,"body":"to issue tracker, like daily"},{"speaker":"Jason Floyd","startTime":3105.506,"endTime":3109.016,"body":"I think pretty for"},{"speaker":"Jason Floyd","startTime":3105.506,"endTime":3109.016,"body":"us developers, to the extent"},{"speaker":"Jason Floyd","startTime":3109.016,"endTime":3112.736,"body":"that we can try and interact"},{"speaker":"Jason Floyd","startTime":3109.016,"endTime":3112.736,"body":"with the community that helps"},{"speaker":"Jason Floyd","startTime":3112.826,"endTime":3114.716,"body":"it makes what we do better."},{"speaker":"Jason Floyd","startTime":3114.716,"endTime":3117.356,"body":"We understand the problems"},{"speaker":"Jason Floyd","startTime":3114.716,"endTime":3117.356,"body":"people are having and where,"},{"speaker":"Jason Floyd","startTime":3118.256,"endTime":3120.7,"body":"you know, the better we"},{"speaker":"Jason Floyd","startTime":3118.256,"endTime":3120.7,"body":"can make,  , the model."},{"speaker":"Jason Floyd","startTime":3120.79,"endTime":3123.88,"body":"So that interaction is"},{"speaker":"Jason Floyd","startTime":3120.79,"endTime":3123.88,"body":"very valuable and users,"},{"speaker":"Jason Floyd","startTime":3123.88,"endTime":3125.71,"body":"users are great about"},{"speaker":"Jason Floyd","startTime":3123.88,"endTime":3125.71,"body":"breaking things, right?"},{"speaker":"Jason Floyd","startTime":3125.71,"endTime":3126.1,"body":"They try"},{"speaker":"Jason Floyd","startTime":3126.1,"endTime":3126.43,"body":"things."},{"speaker":"Jason Floyd","startTime":3129.19,"endTime":3130.9,"body":"The end result, we"},{"speaker":"Jason Floyd","startTime":3129.19,"endTime":3130.9,"body":"get a better model."},{"speaker":"Jason Floyd","startTime":3131.59,"endTime":3132.97,"body":"get an issue, an issue"},{"speaker":"Jason Floyd","startTime":3131.59,"endTime":3132.97,"body":"tracking it's like,"},{"speaker":"Jason Floyd","startTime":3132.97,"endTime":3134.08,"body":"how did this ever work?"},{"speaker":"Wojciech Wegrzynski","startTime":3134.973,"endTime":3136.593,"body":"without"},{"speaker":"Wojciech Wegrzynski","startTime":3134.973,"endTime":3136.593,"body":"even thinking much, I can"},{"speaker":"Wojciech Wegrzynski","startTime":3136.593,"endTime":3138.063,"body":"give you a list of like 20."},{"speaker":"Wojciech Wegrzynski","startTime":3138.233,"endTime":3140.963,"body":"Commercial software packages"},{"speaker":"Wojciech Wegrzynski","startTime":3138.233,"endTime":3140.963,"body":"for which I pay a lot of"},{"speaker":"Wojciech Wegrzynski","startTime":3140.963,"endTime":3144.139,"body":"money, which have worse"},{"speaker":"Wojciech Wegrzynski","startTime":3140.963,"endTime":3144.139,"body":"support than the FDS that"},{"speaker":"Wojciech Wegrzynski","startTime":3144.139,"endTime":3145.756,"body":"is provided, for everyone."},{"speaker":"Wojciech Wegrzynski","startTime":3145.806,"endTime":3148.446,"body":"so I, I highly appreciate that."},{"speaker":"Wojciech Wegrzynski","startTime":3148.446,"endTime":3152.259,"body":"And, on your hands props to"},{"speaker":"Wojciech Wegrzynski","startTime":3148.446,"endTime":3152.259,"body":"the whole LDS teams, uh, okay."},{"speaker":"Wojciech Wegrzynski","startTime":3152.289,"endTime":3154.439,"body":"Jason, thank you so much"},{"speaker":"Wojciech Wegrzynski","startTime":3152.289,"endTime":3154.439,"body":"for coming to Fire Science"},{"speaker":"Wojciech Wegrzynski","startTime":3154.439,"endTime":3158.859,"body":"Show it was a great time"},{"speaker":"Wojciech Wegrzynski","startTime":3154.439,"endTime":3158.859,"body":"and, uh, see around."},{"speaker":"Wojciech Wegrzynski","startTime":3160.98,"endTime":3163.41,"body":"And is Uh, I hope"},{"speaker":"Wojciech Wegrzynski","startTime":3160.98,"endTime":3163.41,"body":"you've enjoyed that."},{"speaker":"Wojciech Wegrzynski","startTime":3163.74,"endTime":3168.21,"body":"You cannot praise the FDS team"},{"speaker":"Wojciech Wegrzynski","startTime":3163.74,"endTime":3168.21,"body":"enough for maintaining the"},{"speaker":"Wojciech Wegrzynski","startTime":3168.21,"endTime":3169.84,"body":"issue tracker like seriously."},{"speaker":"Wojciech Wegrzynski","startTime":3170.55,"endTime":3172.04,"body":"From outside, it looks like."},{"speaker":"Wojciech Wegrzynski","startTime":3172.2,"endTime":3173.85,"body":"A hell of a job to do."},{"speaker":"Wojciech Wegrzynski","startTime":3173.85,"endTime":3174.14,"body":"It's."},{"speaker":"Wojciech Wegrzynski","startTime":3174.87,"endTime":3179.37,"body":"The questions being asked"},{"speaker":"Wojciech Wegrzynski","startTime":3174.87,"endTime":3179.37,"body":"constantly, and people are like"},{"speaker":"Wojciech Wegrzynski","startTime":3179.43,"endTime":3183.6,"body":"endlessly running into problems"},{"speaker":"Wojciech Wegrzynski","startTime":3179.43,"endTime":3183.6,"body":"with how the FDS is used or"},{"speaker":"Wojciech Wegrzynski","startTime":3183.63,"endTime":3184.83,"body":"problems with their modeling."},{"speaker":"Wojciech Wegrzynski","startTime":3184.88,"endTime":3187.86,"body":"And these guys really"},{"speaker":"Wojciech Wegrzynski","startTime":3184.88,"endTime":3187.86,"body":"tried to give them solid."},{"speaker":"Wojciech Wegrzynski","startTime":3188.6,"endTime":3191.93,"body":"Science-based fact-based"},{"speaker":"Wojciech Wegrzynski","startTime":3188.6,"endTime":3191.93,"body":"evidence-based answers"},{"speaker":"Wojciech Wegrzynski","startTime":3192.35,"endTime":3194.3,"body":"and I, you cannot"},{"speaker":"Wojciech Wegrzynski","startTime":3192.35,"endTime":3194.3,"body":"appreciate that enough."},{"speaker":"Wojciech Wegrzynski","startTime":3195.11,"endTime":3197.69,"body":"With Jason we've went"},{"speaker":"Wojciech Wegrzynski","startTime":3195.11,"endTime":3197.69,"body":"through the issues with"},{"speaker":"Wojciech Wegrzynski","startTime":3197.72,"endTime":3198.92,"body":"mesh sensitivities."},{"speaker":"Wojciech Wegrzynski","startTime":3198.98,"endTime":3201.36,"body":"What does it mean that you"},{"speaker":"Wojciech Wegrzynski","startTime":3198.98,"endTime":3201.36,"body":"increase my sensitivity?"},{"speaker":"Wojciech Wegrzynski","startTime":3201.83,"endTime":3202.76,"body":"How to measure it."},{"speaker":"Wojciech Wegrzynski","startTime":3202.76,"endTime":3205.61,"body":"I think there's a practical"},{"speaker":"Wojciech Wegrzynski","startTime":3202.76,"endTime":3205.61,"body":"takeaway on how to"},{"speaker":"Wojciech Wegrzynski","startTime":3205.61,"endTime":3206.78,"body":"apply mesh resolutions."},{"speaker":"Wojciech Wegrzynski","startTime":3206.81,"endTime":3209.27,"body":"I love that we've touched"},{"speaker":"Wojciech Wegrzynski","startTime":3206.81,"endTime":3209.27,"body":"the topic of D star."},{"speaker":"Wojciech Wegrzynski","startTime":3209.72,"endTime":3212.03,"body":"And debunked, some"},{"speaker":"Wojciech Wegrzynski","startTime":3209.72,"endTime":3212.03,"body":"myths around it."},{"speaker":"Wojciech Wegrzynski","startTime":3212.43,"endTime":3216.44,"body":"Why having D star between"},{"speaker":"Wojciech Wegrzynski","startTime":3212.43,"endTime":3216.44,"body":"four and 16 is not enough for"},{"speaker":"Wojciech Wegrzynski","startTime":3216.44,"endTime":3219.74,"body":"most of the simulations, maybe"},{"speaker":"Wojciech Wegrzynski","startTime":3216.44,"endTime":3219.74,"body":"enough if you're simulating"},{"speaker":"Wojciech Wegrzynski","startTime":3219.74,"endTime":3224.33,"body":"compartment and looking into"},{"speaker":"Wojciech Wegrzynski","startTime":3219.74,"endTime":3224.33,"body":"But For most cases, that's"},{"speaker":"Wojciech Wegrzynski","startTime":3224.33,"endTime":3225.71,"body":"definitely not sufficient."},{"speaker":"Wojciech Wegrzynski","startTime":3226.1,"endTime":3226.49,"body":"And."},{"speaker":"Wojciech Wegrzynski","startTime":3227.06,"endTime":3227.54,"body":"I think."},{"speaker":"Wojciech Wegrzynski","startTime":3228.29,"endTime":3231.62,"body":"This, this had a lot of"},{"speaker":"Wojciech Wegrzynski","startTime":3228.29,"endTime":3231.62,"body":"practical takeaways like that."},{"speaker":"Wojciech Wegrzynski","startTime":3231.92,"endTime":3234.17,"body":"So I really hope you've"},{"speaker":"Wojciech Wegrzynski","startTime":3231.92,"endTime":3234.17,"body":"enjoyed this episode."},{"speaker":"Wojciech Wegrzynski","startTime":3234.17,"endTime":3238.49,"body":"I've learned a bit myself"},{"speaker":"Wojciech Wegrzynski","startTime":3234.17,"endTime":3238.49,"body":"And now I know that I need"},{"speaker":"Wojciech Wegrzynski","startTime":3238.49,"endTime":3240.68,"body":"to get more people from"},{"speaker":"Wojciech Wegrzynski","startTime":3238.49,"endTime":3240.68,"body":"the FDS in the podcast."},{"speaker":"Wojciech Wegrzynski","startTime":3240.68,"endTime":3241.75,"body":"It's great to talk with them."},{"speaker":"Wojciech Wegrzynski","startTime":3242.18,"endTime":3244.85,"body":"And I hope to be able to"},{"speaker":"Wojciech Wegrzynski","startTime":3242.18,"endTime":3244.85,"body":"talk with Jason again."},{"speaker":"Wojciech Wegrzynski","startTime":3245.18,"endTime":3246.32,"body":"I mean, Jason leads the."},{"speaker":"Wojciech Wegrzynski","startTime":3247.04,"endTime":3250.28,"body":"Person behind the"},{"speaker":"Wojciech Wegrzynski","startTime":3247.04,"endTime":3250.28,"body":"HVC solver for FDSS."},{"speaker":"Wojciech Wegrzynski","startTime":3250.28,"endTime":3253.25,"body":"As we, as I brought up in the"},{"speaker":"Wojciech Wegrzynski","startTime":3250.28,"endTime":3253.25,"body":"end of the interview, I have not"},{"speaker":"Wojciech Wegrzynski","startTime":3253.25,"endTime":3254.48,"body":"talked with him about that, but."},{"speaker":"Wojciech Wegrzynski","startTime":3255.08,"endTime":3259.25,"body":"I really liked that solver,"},{"speaker":"Wojciech Wegrzynski","startTime":3255.08,"endTime":3259.25,"body":"how it can be used in"},{"speaker":"Wojciech Wegrzynski","startTime":3259.34,"endTime":3260.42,"body":"analysis of building."},{"speaker":"Wojciech Wegrzynski","startTime":3260.42,"endTime":3263.06,"body":"So maybe I should bring him"},{"speaker":"Wojciech Wegrzynski","startTime":3260.42,"endTime":3263.06,"body":"back to the podcast to talk"},{"speaker":"Wojciech Wegrzynski","startTime":3263.06,"endTime":3264.26,"body":"about this particular issue."},{"speaker":"Wojciech Wegrzynski","startTime":3265.34,"endTime":3268.257,"body":"And for If you're"},{"speaker":"Wojciech Wegrzynski","startTime":3265.34,"endTime":3268.257,"body":"still here with me."},{"speaker":"Wojciech Wegrzynski","startTime":3268.497,"endTime":3271.347,"body":"I appreciate you For"},{"speaker":"Wojciech Wegrzynski","startTime":3268.497,"endTime":3271.347,"body":"listening to the show."},{"speaker":"Wojciech Wegrzynski","startTime":3271.347,"endTime":3274.017,"body":"If you have ideas on"},{"speaker":"Wojciech Wegrzynski","startTime":3271.347,"endTime":3274.017,"body":"what questions to ask"},{"speaker":"Wojciech Wegrzynski","startTime":3274.017,"endTime":3274.907,"body":"and to whom to ask"},{"speaker":"Wojciech Wegrzynski","startTime":3275.597,"endTime":3276.317,"body":"I'm here for you."},{"speaker":"Wojciech Wegrzynski","startTime":3276.377,"endTime":3277.157,"body":"I'm doing it for you."},{"speaker":"Wojciech Wegrzynski","startTime":3277.247,"endTime":3279.077,"body":"I'm doing this exactly for you."},{"speaker":"Wojciech Wegrzynski","startTime":3279.077,"endTime":3283.037,"body":"And if you have a question"},{"speaker":"Wojciech Wegrzynski","startTime":3279.077,"endTime":3283.037,"body":"in mind and you, you have a"},{"speaker":"Wojciech Wegrzynski","startTime":3283.037,"endTime":3284.697,"body":"person in mind, let me know."},{"speaker":"Wojciech Wegrzynski","startTime":3285.017,"endTime":3288.857,"body":"And I'll get it I'm the"},{"speaker":"Wojciech Wegrzynski","startTime":3285.017,"endTime":3288.857,"body":"voice of my audience."},{"speaker":"Wojciech Wegrzynski","startTime":3288.857,"endTime":3291.947,"body":"And so if you tell me what you"},{"speaker":"Wojciech Wegrzynski","startTime":3288.857,"endTime":3291.947,"body":"want, I'll get the delivered."},{"speaker":"Wojciech Wegrzynski","startTime":3291.977,"endTime":3295.547,"body":"So now you have bigger impact"},{"speaker":"Wojciech Wegrzynski","startTime":3291.977,"endTime":3295.547,"body":"on what this podcast is."},{"speaker":"Wojciech Wegrzynski","startTime":3295.577,"endTime":3297.077,"body":"Then you think about it."},{"speaker":"Wojciech Wegrzynski","startTime":3297.077,"endTime":3298.097,"body":"Send me an email and we'll."},{"speaker":"Wojciech Wegrzynski","startTime":3298.427,"endTime":3298.847,"body":"Get stuff."},{"speaker":"Wojciech Wegrzynski","startTime":3298.877,"endTime":3302.627,"body":"arranged Thank you so much"},{"speaker":"Wojciech Wegrzynski","startTime":3298.877,"endTime":3302.627,"body":"for listening and see you"},{"speaker":"Wojciech Wegrzynski","startTime":3302.627,"endTime":3304.067,"body":"here next Wednesday Bye"}]}