A Concurrent Multiscale Method for Simulation of Crack Propagation

被引：0
|
作者：
Jingkai Wu
Hongwu Zhang
Yonggang Zheng
机构：
[1] Dalian University of Technology,State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Faculty of Vehicle Engineering and Mechanics
[2] Nanjing Research Institute of Electronics Technology,undefined
来源：
Acta Mechanica Solida Sinica | 2015年 / 28卷
关键词：
concurrent multiscale method; crack propagation; extended finite element method; level set method;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A concurrent multiscale method is developed for simulating quasi-static crack propagation in which the failure processes occur in only a small portion of the structure. For this purpose, a multiscale model is adopted and both scales are discretized with finite-element meshes. The extended finite element method is employed to take into account the propagation of discontinuities on the fine-scale subregions. At the same time, for the other subregions, the coarse-scale mesh is employed and is resolved by using the extended multiscale finite element method. Several representative numerical examples are given to verify the validity of the method.
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页码：235 / 251
页数：16
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