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THE REPRODUCING KERNEL PARTICLE METHOD FOR NUMERICAL ANALYSIS OF HIGH-SPEED IMPACT PROCESS
Author(s): ZHAO Guangmingsongshunchengyangxianjie(dept.ofresourceexplorationandmanagementengineering, ANHUI Universityofscienceandtechnology, HUAINAN 231001, CHINA) (dept.ofappliedmechanicsandengineering, SOUTHWEST Jiaotonguniversity, CHENGDU 610031, china)
Pages: 63-
69
Year: 2007
Issue:
1
Journal: Acta Mechanica Sinica
Keyword: 无网格法; 再生核质点法; 高速冲击; 速度配点法; 接触;
Abstract: 利用新型的无网格方法-再生核质点方法对高速冲击过程进行数值模拟,给出了控制方程,分析中引入Bordner-Partom本构模型来实现材料高速冲击条件下的大应变和高应变率的特性,提出了新的接触面处理方法,介绍了速度配点法来实现接触面及其它本质边界的速度条件.数值模拟表明,再生核质点法能够准确模拟高速冲击过程,具有较高的计算精度.
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