个人信息Personal Information
教授
博士生导师
硕士生导师
性别:男
毕业院校:德国汉诺威大学
学位:博士
所在单位:力学与航空航天学院
学科:工程力学. 计算力学. 生物与纳米力学
电子邮箱:zhanghw@dlut.edu.cn
A multiscale strategy for thermo-elastic plastic stress analysis of heterogeneous multiphase materials
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论文类型:期刊论文
发表时间:2015-05-01
发表刊物:ACTA MECHANICA
收录刊物:SCIE、EI、Scopus
卷号:226
期号:5
页面范围:1549-1569
ISSN号:0001-5970
摘要:A multiscale strategy is developed for the thermo-elastic plastic stress analysis of heterogeneous multiphase materials. The strategy is based on the extended multiscale finite element method (EMsFEM) and the enriched partition of unity approach. In the formulation, the enriched numerical base functions are adapted into the EMsFEM, which show good applicability to the local deformation pattern. Thus, the microscopic variable fields can be reproduced precisely, which are crucial for the nonlinear analysis. Numerical examples of two-phase heterogeneous media with regular and irregular microstructures demonstrate the validity and efficiency of the proposed method.