Dynamic fracture analysis using discrete cohesive crack method

被引：15

作者：

Chen, L. ^{[1
]}

Zhang, Y. Y. ^{[1
]}

机构：

[1] Beijing Univ Technol, Dept Engn Mech, Beijing, Peoples R China

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING | 2010年 / 26卷 / 11期

关键词：

cohesive crack; discrete crack; meshless; dynamic fracture; mechanics; crack; FREE GALERKIN METHODS; ARBITRARY EVOLVING CRACKS; FINITE-ELEMENT-METHOD; MESHFREE THIN SHELL; PARTICLE METHODS; CONCRETE STRUCTURES; SIMULATION; PROPAGATION; SURFACES; GROWTH;

D O I：

10.1002/cnm.1232

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Dynamic fracture is studied using a meshless discrete cohesive crack method. The method is based on partition of unity and cracks are represented by a set of crack segments. The crack segments are required to pass through the entire domain of influence of node. They are introduced when the maximum principal stress exceeds the uniaxial tensile strength. The crack segments are allowed to rotate in order to avoid too stiff system responses. The major advantage of our method is that it does not require algorithms to track the crack path. Copyright (C) 2009 John Wiley & Sons, Ltd.

引用

页码：1493 / 1502

页数：10

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