Wednesday, August 27, 2008

NIST Report Says WTC 7 Buckled

NIST's recently released 115 page final report on WTC 7 (PDF) drew from three (even lengthier) companion documents. In the one titled NIST NCSTAR 1-9A (PDF), NIST shows us what happened to WTC 7 — in their simulated computer model.

image of computer simulation showing WTC 7 buckling and twisting as it begins collapsing
Compare that with what the cameras recorded:

In section 3.5.3 of the final report titled "Accuracy Appraisal," NIST states,
Given the complexity of the modeled behavior, the global collapse analyses matched the observed behavior reasonably well.
Oh really?

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