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Progressive Collapse Analysis

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Uploaded by on Jun 18, 2009

Extreme Loading Progressive Collapse Analysis by Applied Science International

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  • @Daddyo930 what has statistics to do with it?

    i don't act dumb, i think you don't know ANSYS or even FEA in general. tell me what data point you want to know more about. and talk about data actually relevant to FEA.

  • @Aanthanur In statistics, a data point is a set of measurements on a single member of a statistical population, or a subset of those measurements for a given individual. In addition, in statistical graphics, a "data point" may be an individual item with a statistical display; such points may relate to either a single member of a population or to a summary statistic calculated for a given subpopulation. In order to simulate gravity, a number must be supplied. Those data points. Don't act stupid.

  • @Daddyo930 what data points are you talking about? they conducted a Firesimulation to determine the temperatures the steel and concrete reached at what point, those were datapoints what were fed to ANSYS, and the structural desing was taken from the buildings documentation also the material types, they also said which ANSYS materials they used, they are all standard in ANSYS. the ANSYS output was then the input for LS Dyna. i dont see what assumptions you talk about. they used standard software.

  • @Aanthanur The data points used for the computer simulation. If you present a computer simulation as part of your evidence, that simulation has attached to it, certian assumption you make in order to make calculations. Where in the document would I find those assumptions. The assumptions NIST makes in its conclusions of the report are not provided. Do you know what I'm talking about now? Or are you just acting like you don't know what assumptions are?

  • @Daddyo930 what assumptions do you talk about. you are the one saying to have troubles with their assumptions, which assumption are you talking about?

    for examples the fire modeling includes several assumptions of when fires started. is thise assumptions you have trouble with? as i said, the fire modeling is out of my field.

  • @Aanthanur I have the PDF on my computer. What page are you talking about where these assumptions can be found?

  • @Daddyo930 oh well i have maybe wrongly assumed you have actually read the NIST reports.

  • @Aanthanur Where is this document? Was it peer reviewed? Do you know what assumptions are? If you did, then why didn't you post any examples of what you found? Where is the link? What your saying now is what we call in science, bold assertions. Without any proof of what you say, don't expect me to believe it.

  • @Daddyo930 what assumption do you think was not in the NIST report? i found it a very well documented FEA, actually it is the most detailed and best documented FEA i have ever seen. I have read it very carefully, because at the time i was a truther, but was not able to find any wrong doing at all. Well not sure about the fire simulation, that is out of my field, but the LS-Dyna analysis was very well done.

  • @Aanthanur I want the assumptions used in the computer simulation. I would also like the data points used in the reports of the building collapses. When an engineering report is generated, certian assumptions are used to base conclusions on. NIST believes that they don't have to share that information with anyone. None of that data is available and NIST won't release it. Can you find it?

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