WTC collapses - Layman's terms again

The problem isn't so much modeling it as recreating it. The first only requires a colossal amount of computer power and time; the second is impossible.

im pretty sure without a "Bazant Modulus" i for sure cannot recreate it the way you like it :)
 
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ORLY?

what would hinder me to make a far less simplified model than Bazant is using.

and with what software did NIST try it? and whats the exact reason they stopped it? in case they did try it, did they?

You've shown that you have access to at some FEA software. Give it a shot! Greg Ulrich has some fairly well accepted values for steel column sizes and masses of the building. It should be enough to get a close approximation. Just don't forget to make the column splices about 25%-50% the strength of the column in bending.

If you have any questions regarding building mechanics etc, let us know. Some of us know a thing or two about this stuff. (Yes, this is what I've been trying to get you to do for awhile now). Just give it a shot.
 
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ORLY?

what would hinder me to make a far less simplified model than Bazant is using.

and with what software did NIST try it? and whats the exact reason they stopped it? in case they did try it, did they?

Three software packages were used for the structural modeling: SAP2000, LS-DYNA and ANSYS. Try reading Section 6.6 of NCSTAR 1, available here. NIST explains what simplifications they used for their models, and the computing power and time required to simulate the relevant events. I think you'll find it informative.
 
You've shown that you have access to at some FEA software. Give it a shot! Greg Ulrich has some fairly well accepted values for steel column sizes and masses of the building. It should be enough to get a close approximation. Just don't forget to make the column splices about 25%-50% the strength of the column in bending.

If you have any questions regarding building mechanics etc, let us know. Some of us know a thing or two about this stuff. (Yes, this is what I've been trying to get you to do for awhile now). Just give it a shot.

the acces i have is laughable. it would never be taken serious. (i would take another name, my real one :P)

but i maybe come back to the offer and will ask some help in structural things.
i will prefer JREF or Physorg above LC or AJ :P

btw i think i know what you are *trying* to do for a while now and it is very interesting.
and i never questioned your knowledge :) and also not that it is ways beyond mine. wich includes alot other JREFers.
 
Evidently the lower structure will withstand the upper block falling on it!! The strength of the lower structure occupies only 0.13% of the area of the structure. The upper block misses that ... and gets entangled in some weak floors and the collapse is arrested. Basic.

Why do you keep saying this when you have admitted to not being able to support this assertion. Do you think we forget that you have not shown this to be true in your "paper"?

You just can't stop lying can you?
 
Three software packages were used for the structural modeling: SAP2000, LS-DYNA and ANSYS. Try reading Section 6.6 of NCSTAR 1, available here. NIST explains what simplifications they used for their models, and the computing power and time required to simulate the relevant events. I think you'll find it informative.

oho where did you link me to?

page 106. Figure 6-14

a "model" of a PW4000

/sarcasm

is that fraudulent "Modeling" ?
the fan blades seem to have no thickness at all.
;)
/sarcasm
 
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I linked you to an organization known as the NIST. Perhaps you've heard of them?

i think i never gonna claim publicy on JREF that i have red the NIST report.
that makes no sence at all.
i cannot provide evidence.
would i provide evidence
i dont want to prove that i understood it fully, nor would i claim it.

did you know on JREF its just the best way to be a noclaimer.
even if you dont like it.
 
i think i never gonna claim publicy on JREF that i have red the NIST report.
that makes no sence at all.
i cannot provide evidence.
would i provide evidence
i dont want to prove that i understood it fully, nor would i claim it.

did you know on JREF its just the best way to be a noclaimer.
even if you dont like it.

I do not understand your post. Are you trying to say that it would be folly for you to admit to reading the NIST report because either nobody would believe you read it or that you understood it?
 
I do not understand your post. Are you trying to say that it would be folly for you to admit to reading the NIST report because either nobody would believe you read it or that you understood it?

after translating folly is say it would be plain folly.
 
Zeal without knowledge is the sister of folly. Blinder Eifer schadet nur.

i find that interesting :) i wonder if that translation is correct.
 
Then I am at a loss, because I can't see how we can have a productive discussion about the NIST investigation and subsequent report if you won't read it (or admit you read it).

and when we assume that i did indeed read it?
 
i think i never gonna claim publicy on JREF that i have red the NIST report.
that makes no sence at all.
i cannot provide evidence.
would i provide evidence
i dont want to prove that i understood it fully, nor would i claim it.

did you know on JREF its just the best way to be a noclaimer.
even if you dont like it.

I didn't know you were a poet. It has a nice rhythm.

Or was this meant to be real sentences representing a coherent thought?
 
because we are eternal optimists, and there's a first time for everything except for things that have never happened before?

I think I just blew a circuit...
maybe the troofers are right

That's a royal "we", right? I have been doing this far too long to be anything but a realist. Some people will get it, most won't.
 
I didn't know you were a poet. It has a nice rhythm.

Or was this meant to be real sentences representing a coherent thought?

actually i just wanted to post some words that form some sentences that form some message.

im not a poet nor a prince from Denmark.
 
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