A meshless method for ductile fracture

被引：2
|
作者：
Li, L. [1 ]
Liu, S. [1 ]
Wang, H. [1 ]
机构：
[1] Xi An Jiao Tong Univ, Dept Engn Mech, Xian 710049, Shaanxi, Peoples R China
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING | 2011年 / 27卷 / 02期
关键词：
fracture; mechanics; computational science; ARBITRARY EVOLVING CRACKS; FREE GALERKIN METHODS; POTENTIAL-ENERGY SURFACES; LEAST-SQUARES METHODS; MESHFREE THIN SHELL; PARTICLE METHODS; DYNAMIC FRACTURE; FINITE-ELEMENT; COMPUTER IMPLEMENTATION; REPRODUCING KERNEL;
D O I：
10.1002/cnm.1302
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
In this work, a meshless Galerkin method is used to simulate ductile fracture. The Gurson-Tvergaard-Needleman is used in the bulk material and a crack is introduced once a certain damage threshold is exceeded. The visibility criterion that modifies the particle connectivity based on the evolving crack surface morphology is used. Two problems are considered and numerical results are compared with experimental data. The numerical results show that the proposed meshless method works well. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码：251 / 261
页数：11
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