商用飞机撞击核电站屏蔽厂房数值模拟

刘晶波 韩鹏飞 郑文凯 陆新征 林丽

刘晶波, 韩鹏飞, 郑文凯, 陆新征, 林丽. 商用飞机撞击核电站屏蔽厂房数值模拟[J]. 爆炸与冲击, 2016, 36(3): 391-399. doi: 10.11883/1001-1455(2016)03-0391-09
引用本文: 刘晶波, 韩鹏飞, 郑文凯, 陆新征, 林丽. 商用飞机撞击核电站屏蔽厂房数值模拟[J]. 爆炸与冲击, 2016, 36(3): 391-399. doi: 10.11883/1001-1455(2016)03-0391-09
Liu Jingbo, Han Pengfei, Zheng Wenkai, Lu Xinzheng, Lin Li. Numerical investigation of shield building for nuclear power plant subjected to commercial aircraft impact[J]. Explosion And Shock Waves, 2016, 36(3): 391-399. doi: 10.11883/1001-1455(2016)03-0391-09
Citation: Liu Jingbo, Han Pengfei, Zheng Wenkai, Lu Xinzheng, Lin Li. Numerical investigation of shield building for nuclear power plant subjected to commercial aircraft impact[J]. Explosion And Shock Waves, 2016, 36(3): 391-399. doi: 10.11883/1001-1455(2016)03-0391-09

商用飞机撞击核电站屏蔽厂房数值模拟

doi: 10.11883/1001-1455(2016)03-0391-09
基金项目: 

国家科技重大专项项目 2011ZX06002-10

详细信息
    作者简介:

    刘晶波(1956-),男,博士,教授,liujb@tsinghua.edu.cn

  • 中图分类号: O381

Numerical investigation of shield building for nuclear power plant subjected to commercial aircraft impact

  • 摘要: 为研究大型商用飞机撞击核电站屏蔽厂房的毁伤特性,建立了Boeing 767商用飞机和双钢板混凝土屏蔽厂房的有限元模型,模拟两者的相互撞击作用过程,得到飞机不同部位(机身、发动机)对屏蔽厂房的撞击力时程曲线,对每一个作用部分给出简化撞击力曲线和作用面积,确定了撞击力分布形式。结果分析表明:飞机轴向网格尺寸对撞击力影响较大;屏蔽厂房被撞击部位变形明显,其他区域变形较小;撞击速度对撞击作用时间影响较小,而对结构响应位移影响很大,撞击力合力随着撞击速度的降低迅速下降。
  • 图  1  核电站尺寸

    Figure  1.  Size nuclear power plant

    图  2  Boeing 767-200ER尺寸

    Figure  2.  Size of Boeing 767-200ER

    图  3  飞机撞击屏蔽厂房的模型

    Figure  3.  Model of the aircraft hitting a shield building

    图  4  飞机撞击刚性墙模型

    Figure  4.  Model of the aircraft impacting on a rigid wall

    图  5  轴向网格尺寸为0.25m的撞击力曲线

    Figure  5.  Impact force curves for the circular gridding size of 0.25 m

    图  6  环向网格为24份的撞击力曲线

    Figure  6.  Impact force curves for the axial gridding number of 24

    图  7  撞击过程的有限元模拟

    Figure  7.  Finite element simulation of the impacting process

    图  8  屏蔽厂房位移曲线

    Figure  8.  Curves showing the shield building's displacement

    图  9  撞击合力对比

    Figure  9.  Comparison of total impact force

    图  10  不同撞击速度对撞击合力的影响

    Figure  10.  Influence of impact velocity on total impact force

    图  11  飞机机身未破坏部分的速度对比

    Figure  11.  Velocity comparison of undamaged fuslage

    图  12  150m/s撞击速度下的屏蔽厂房位移曲线

    Figure  12.  Curves showing the shield building's displacement at the impact velocity of 150 m/s

    图  13  100m/s撞击速度下的屏蔽厂房位移曲线

    Figure  13.  Curves showing the shield building's displacement at the impact velocity of 100 m/s

    图  14  飞机撞击区域划分

    Figure  14.  Reginal division of aircraft impact

    15(a)  第1部分撞击力与全部撞击力对比

    15(a).  Comparison of the first part of impact force and total impact force

    15(b)  第2部分撞击力与全部撞击力对比

    15(b).  Comparison of the second part of impact force and total impact force

    15(c)  两部分撞击力叠加与全部撞击力对比

    15(c).  Comparison of the superposition of two parts of the impact force and total impact force

    表  1  计算参数

    Table  1.   Calculation parameters

    材料 σy/MPa σs/MPa ρ/(kg·m-3) E/GPa T/GPa ν C P εpe
    447 - 7850 210 5 0.3 5 40 0.8
    铝合金 503 - 2810 71.9 0.5 0.33 4 6500 0.1
    混凝土 - 48 2300 - - 0.2 - - 0.17
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出版历程
  • 收稿日期:  2014-10-28
  • 修回日期:  2015-08-25
  • 刊出日期:  2016-05-25

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