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Energy balance in the WTC collapse
Author(s) -
Kai-Qi Zhu,
K. M. Xu,
P. Ansourian,
Faham Tahmasebinia,
Fernando Alonso-Marroquín
Publication year - 2016
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.4961105
Subject(s) - energy balance , transient (computer programming) , convection , energy (signal processing) , thermal conduction , tower , heat energy , mechanics , environmental science , meteorology , engineering , mechanical engineering , structural engineering , computer science , physics , thermodynamics , quantum mechanics , operating system
The main aim of this report is to provide an analysis of Twin Towers of the New York City’s World Trade Centre collapsed after attacked by two jet aircrafts. The approach mainly focused on the effect of temperature on mechanical properties of the building, by modelling heat energy in the south tower. Energy balance during the collapse between the energy inputs by aircraft petrol and the transient heat to the towers was conducted. Both the overall structure between 80 to 83 stories and individual elements was modelled. The main elements contributed to the heat transition includes external and internal columns. Heat applied in 2D and 3D models for single elements was through convection and conduction. Analysis of transient heat was done using Strand7.

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