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首页> 外文会议>International symposium on ballistics >COMPUTER SIMULATION OF IMPACT AND COLLAPSE OF NEW YORK WORLD TRADE CENTER NORTH TOWER ON SEPTEMBER 11, 2001
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COMPUTER SIMULATION OF IMPACT AND COLLAPSE OF NEW YORK WORLD TRADE CENTER NORTH TOWER ON SEPTEMBER 11, 2001

机译：2001年9月11日纽约世界贸易中心北塔的影响与崩溃的计算机模拟

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The New York World Trade Center (WTC) was destroyed by a terrorist attack on September 11, 2001. A three-dimensional computer simulation of the impact and collapse of the WTC North Tower has been conducted using the AUTODYN-3D computer program. The simulation process consists of calculations of initial static equilibrium, impact, fire-induced strength reduction, and ultimate progressive collapse. Advanced numerical techniques are used to expedite the computation and improve efficiency. This simulation enables us to numerically reproduce the entire event of impact and collapse of the North Tower. The extensive damage due to the initial impact is demonstrated leading to localized regions of failure in the Tower. The fuel fire further weakens the building and leads to the progressive collapse of the entire Tower. A short discussion on the prevention of catastrophic failure of high-rise buildings is presented in the conclusion of this paper.
机译：纽约世界贸易中心（WTC）于2001年9月11日被恐怖袭击摧毁。使用Autodyn-3D计算机程序进行了WTC北塔的影响和崩溃的三维计算机模拟。仿真过程包括初始静态平衡，影响，火灾引起的强度减小和最终逐渐崩溃的计算。高级数值技术用于加快计算并提高效率。该模拟使我们能够在数值上重现北塔的整个影响和崩溃的事件。据证明初始影响导致的广泛损失导致塔内的局部失败区域。燃料火进一步削弱了建筑物，并导致整个塔的逐渐崩溃。本文的结论介绍了关于预防高层建筑灾难性失效的简短讨论。

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