| Issue |
Europhysics News
Volume 48, Number 1, January-February 2017
|
|
|---|---|---|
| Page(s) | 18 - 23 | |
| DOI | https://doi.org/10.1051/epn/2017102 | |
| Published online | 13 February 2017 | |
Mechanics-based mathematical studies proving spontaneity of post-impact WTC towers collapse
1
Department of Civil, Environmental, and Geo- Engineering
University of Minnesota – 500 Pillsbury Drive S.E. – Minneapolis, MN 55455
2
Department of Civil and Environmental Engineering
McCormick School of Engineering and Applied Science
2145 Sheridan Rd., Northwestern University,
Evanston, IL 60208
The cause of collapse of the World Trade Center (WTC) in New York on 9/11/2001, clarified mathematically by mechanical analysis, has been questioned by some lay critics without any meaningful calculations. They blame the collapse on controlled demolition, implying some sort of conspiracy. The present article summarizes the reasons why the collapse must have been spontaneous and an inevitable result of the aircraft impact damage and the subsequent fire, and how the collapse is explained by mathematical analysis based on mechanics and confirmed by all the available observations.
© European Physical Society, EDP Sciences, 2017
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