大型商用飞机撞击核安全壳的动力响应分析

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (20) : 8-14.

论文

大型商用飞机撞击核安全壳的动力响应分析

黄涛1，张涛2，董占发1，吴昊2，方秦2

作者信息 +

An analysis of the dynamic response of nuclear containment under the impact of a large commercial aircraft

HUANG Tao1,ZHANG Tao2,DONG Zhanfa1,WU Hao3,FANG Qin2

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文章历史 +

摘要

核安全壳结构在大型商用飞机撞击下的动力响应是目前核安全领域关注的热点。本文基于LS-DYNA程序对大型商用飞机撞击安全壳全过程进行了数值模拟。以大型商用飞机A380为基础机型，包络目前典型商用飞机的基本特征，建立了精细化的全尺寸飞机模型，并基于飞机撞击力的目标荷载曲线对飞机模型进行了优化。同时建立了钢筋混凝土安全壳和周围厂房的有限元模型，以及基于飞机引擎撞击试验对安全壳模型进行了验证。选取安全壳较为危险的部位进行飞机垂直撞击的耦合分析，得到了飞机撞击的破坏现象、撞击力、混凝土损伤以及撞击位移随时间变化的规律和特点，相关工作和结论可为工程安全评估和结构设计提供参考。

Abstract

The dynamic response of a nuclear containment structure under the impact of a large commercial aircraft is a focus in the field of nuclear safety.By using the LS-DYNA program, the entire impact process of a large commercial aircraft impacting on the containment was numerically simulated.Based on a large commercial aircraft A380 and enveloping the basic features of a current typical commercial aircraft, the fine FE model of a full-scale aircraft was established and modified by comparing its simulated impact force with the specified objective curve.Meanwhile, the FE models of containment and its surrounding houses were established, which were verified based on a aircraft engine impact test.Exerting on the relatively weaker position, the normal impact was reproduced with the missile-target interaction method, and the impact phenomena, impact force, concrete damage and the impact displacement were obtained.The related work and conclusions can provide references for the engineering safety evaluation and structural design. 

导出引用

黄涛1，张涛2，董占发1，吴昊2，方秦2. 大型商用飞机撞击核安全壳的动力响应分析[J]. 振动与冲击, 2018, 37(20): 8-14

HUANG Tao1,ZHANG Tao2,DONG Zhanfa1,WU Hao3,FANG Qin2. An analysis of the dynamic response of nuclear containment under the impact of a large commercial aircraft[J]. Journal of Vibration and Shock, 2018, 37(20): 8-14

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