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- Title
SECOND-ORDER TWO-SCALE ANALYSIS METHOD FOR DYNAMIC THERMO-MECHANICAL PROBLEMS IN PERIODIC STRUCTURE.
- Authors
ZIHAO YANG; JUNZHI CUI; YATAO WU; ZIQIANG WANG; JIANJUN WAN
- Abstract
In this paper, we develop the second-order two-scale (SOTS) analy- sis method and numerical algorithm for dynamic thermo-mechanical problems of composite materials with 3-D periodic configuration. In the problem con- sidered, there exists a mutual interaction between the displacement and tem- perature fields. By the asymptotic expansion of temperature and displacement fields, the cell problems, effective thermal and mechanical parameters, homog- enized equations and SOTS formulas of temperatures and displacements are obtained. The numerical algorithm based on the SOTS method is given. Fi- nally, 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.
- Subjects
THERMOMECHANICAL treatment; APPROXIMATION algorithms; ASYMPTOTIC expansions; MECHANICAL failures; COMPOSITE materials
- Publication
International Journal of Numerical Analysis & Modeling, 2015, Vol 12, Issue 1, p144
- ISSN
1705-5105
- Publication type
Article