SECOND-ORDER TWO-SCALE ANALYSIS METHOD FOR DYNAMIC THERMO-MECHANICAL PROBLEMS IN PERIODIC STRUCTURE

被引:0
|
作者
Yang, Zihao [1 ]
Cui, Junzhi [2 ]
Wu, Yatao [1 ]
Wang, Ziqiang [2 ]
Wan, Jianjun [3 ]
机构
[1] Northwestern Polytech Univ, Sch Sci, Dept Appl Math, Xian 710129, Peoples R China
[2] Chinese Acad Sci, Acad Math & Syst Sci, LSEC, ICMSEC, Beijing 100190, Peoples R China
[3] Zhengzhou Univ, Dept Math, Zhengzhou 450052, Peoples R China
基金
中国国家自然科学基金;
关键词
Composites with 3-D periodic configuration; dynamic thermomechanical problems; the SOTS analysis method; numerical algorithm; COMPOSITE-MATERIALS; CONDUCTION;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we develop the second-order two-scale (SOTS) analysis method and numerical algorithm for dynamic thermo-mechanical problems of composite materials with 3-D periodic configuration. In the problem considered, there exists a mutual interaction between the displacement and temperature fields. By the asymptotic expansion of temperature and displacement fields, the cell problems, effective thermal and mechanical parameters, homogenized equations and SOTS formulas of temperatures and displacements are obtained. The numerical algorithm based on the SOTS method is given. Finally, some numerical examples are shown. The numerical results show that the SOTS method is feasible and valid to predict the dynamic thermo-mechanical behaviors of periodic composite materials.
引用
收藏
页码:144 / 161
页数:18
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