爆炸压实过程中颗粒碰撞问题的SPH法数值模拟

赵铮 李晓杰 闫鸿浩 欧阳欣

赵铮, 李晓杰, 闫鸿浩, 欧阳欣. 爆炸压实过程中颗粒碰撞问题的SPH法数值模拟[J]. 高压物理学报, 2007, 21(4): 373-378 . doi: 10.11858/gywlxb.2007.04.007
引用本文: 赵铮, 李晓杰, 闫鸿浩, 欧阳欣. 爆炸压实过程中颗粒碰撞问题的SPH法数值模拟[J]. 高压物理学报, 2007, 21(4): 373-378 . doi: 10.11858/gywlxb.2007.04.007
ZHAO Zheng, LI Xiao-Jie, YAN Hong-Hao, Ouyang Xin. Numerical Simulation of Particles Impact in Explosive-Driven Compaction Process Using SPH Method[J]. Chinese Journal of High Pressure Physics, 2007, 21(4): 373-378 . doi: 10.11858/gywlxb.2007.04.007
Citation: ZHAO Zheng, LI Xiao-Jie, YAN Hong-Hao, Ouyang Xin. Numerical Simulation of Particles Impact in Explosive-Driven Compaction Process Using SPH Method[J]. Chinese Journal of High Pressure Physics, 2007, 21(4): 373-378 . doi: 10.11858/gywlxb.2007.04.007

爆炸压实过程中颗粒碰撞问题的SPH法数值模拟

doi: 10.11858/gywlxb.2007.04.007
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    通讯作者:

    李晓杰

Numerical Simulation of Particles Impact in Explosive-Driven Compaction Process Using SPH Method

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    Corresponding author: LI Xiao-Jie
  • 摘要: 目前采用SPH无网格方法对大变形问题进行数值模拟已成为计算机仿真技术的研究热点。利用LS-DYNA程序中的SPH法对粉末爆炸压实过程中颗粒的碰撞问题进行了数值模拟。在二维及三维模型下,模拟出了微射流的产生及孔隙塌缩闭合过程,验证了粉末压实理论。另外还利用三项式状态方程及Rankine-Hugoniot关系推导得出了LS-DYNA中采用的高压下固体材料的Grneisen状态方程。

     

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出版历程
  • 收稿日期:  2006-12-19
  • 修回日期:  2007-03-15
  • 发布日期:  2007-12-05

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