Wang Yuxin
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无网格MPM法在冲击载荷问题中的应用
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Indexed by:期刊论文

Date of Publication:2006-05-30

Journal:工程力学

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:23

Issue:5

Page Number:46-51

ISSN No.:1000-4750

Key Words:固体力学;无网格法;物质点法;冲击载荷;映射计算

Abstract:物质点法MPM(Material Point Method)是无网格方法之一,它是在质点网格法(PIC)基础上发展而来的一种新数值方法,它利用了欧拉法和拉格朗日法两者的优点,仅简单地划分背景网格,物质点信息通过形函数映射到背景网格节点,然后根据相应的控制方程和本构关系,计算物质点在冲击载荷下的应力和应变,通过物质点来跟踪材料体的变形和破损,而在整个计算过程中背景网格始终固定不变,避免了重新划分网格.系统地介绍了MPM法的基本理论,同时给出了使用MPM法来解决冲击载荷问题的两个具体计算实例.

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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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