RESEARCH ON 3D NUMERICAL SIMULATION OF AIRCRAFT IMPACT OF NUCLEAR ISLAND IN ADVANCED PRESSURIZED WATER REACTOR
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摘要: 介绍了自主三代压水堆核电“华龙一号”核岛抗商用大飞机撞击总体设防策略和外层安全壳及防护厂房设计方案。通过建立商用飞机和核岛厂房的三维有限元模型,应用显示动力学数值分析方法模拟飞机撞击核岛厂房外层安全壳及防护厂房的过程。数值分析结果显示,“华龙一号”外层安全壳在大型商用飞机典型不利撞击工况作用下,能够保持外壳结构承载能力,起到了屏蔽外部事件的作用,确保了安全壳的完好。Abstract: The overall strategy and the design scheme of the outer containment and shield building for the HPR1000 nuclear island of the independent third generation PWR against large commercial aircraft impact were introduced. The 3D finite element anlysis models of large commercial aircraft and nuclear island building were established and the numerical analysis method of explicit dynamics was used to simulate the aircraft impact on the outer containment of nuclear island. The numerical analysis results showed that the outer containment of HPR1000 could maintain the bearing capacity of the shell structure under typical adverse impact location of large-scale commercial aircraft, play the role of shielding external events, and ensure the integrity of the inner containment.
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Key words:
- HPR1000 /
- outer containment /
- shield building /
- aircraft impact /
- explicit dynamic analysis
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