Indexed by:期刊论文
Date of Publication:2015-01-30
Journal:应用数学和力学
Included Journals:PKU、ISTIC、CSCD
Volume:36
Issue:2
Page Number:198-206
ISSN No.:1000-0887
Key Words:无网格法;物质点法;爆轰;数值模拟
Abstract:炸药爆轰以及多点起爆所产生的爆轰波汇聚问题很难应用有限元法进行模拟分析,尤其当网格发生畸变时,导致有限元法计算效率和数值精度严重下降,甚至无法得到正确结果.为此,该文应用显式积分算法的物质点法对炸药两点起爆和按时间序列的多点起爆的爆轰过程进行数值模拟,与炸药爆轰的理论计算结果相吻合.物质点法不但可以有效地避免网格畸变问题,而且为炸药爆轰的数值模拟提供了新的思路.
Associate Professor
Supervisor of Master's Candidates
Title : 中国工程爆破行业协会爆炸加工行业委员会副秘书长
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Department of Engineering Mechanics
Discipline:Computational Mechanics
Business Address:工程力学系226室
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