基于物质点法的水下爆炸冲击波数值模拟

陈卫东 杨文淼 张帆

陈卫东, 杨文淼, 张帆. 基于物质点法的水下爆炸冲击波数值模拟[J]. 高压物理学报, 2013, 27(6): 813-820. doi: 10.11858/gywlxb.2013.06.004
引用本文: 陈卫东, 杨文淼, 张帆. 基于物质点法的水下爆炸冲击波数值模拟[J]. 高压物理学报, 2013, 27(6): 813-820. doi: 10.11858/gywlxb.2013.06.004
CHEN Wei-Dong, YANG Wen-Miao, ZHANG Fan. Material Point Method for Numerical Simulation of Underwater Explosion Blast Wave[J]. Chinese Journal of High Pressure Physics, 2013, 27(6): 813-820. doi: 10.11858/gywlxb.2013.06.004
Citation: CHEN Wei-Dong, YANG Wen-Miao, ZHANG Fan. Material Point Method for Numerical Simulation of Underwater Explosion Blast Wave[J]. Chinese Journal of High Pressure Physics, 2013, 27(6): 813-820. doi: 10.11858/gywlxb.2013.06.004

基于物质点法的水下爆炸冲击波数值模拟

doi: 10.11858/gywlxb.2013.06.004
详细信息
    通讯作者:

    杨文淼 E-mail:yangwenmiao2008@163.com

Material Point Method for Numerical Simulation of Underwater Explosion Blast Wave

  • 摘要: 水下爆炸载荷计算与数值模拟是水下常规武器设计和舰船、潜艇防护设计中的关键问题。水下爆炸数值模拟中大变形、运动物质交界面和多介质耦合等问题,给基于网格的数值算法带来了很大的困难和挑战。物质点法是一种无网格粒子法,该方法继承了拉格朗日方法和欧拉方法二者的优点。将物质点法扩展到水下爆炸数值模拟中,介绍了水下爆炸数值计算中物质点法的多介质耦合计算过程。分别对TNT球形炸药一维水下爆炸和TNT炸药二维水下爆炸过程进行了数值模拟,计算了冲击波强度,分析了水下爆炸流场参量的空间分布和变化规律,并分别与AUTODYN、COLE经验公式和SPH方法计算结果进行了比较,结果吻合较好,为工程应用提供重要参考。

     

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出版历程
  • 收稿日期:  2012-02-27
  • 修回日期:  2012-08-17
  • 发布日期:  2013-12-15

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