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 Thermo-mechanical analysis of periodic porous materials with microscale heat transfer by multiscale asymptotic expansion method Yang, Zhiqiang1; Cui, Junzhi2; Zhou, Song1 2016 Source Publication INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER ISSN 0017-9310 Volume 92Pages:904-919 Abstract A novel multiscale asymptotic method used to simulate thermo-mechanical analysis of periodic porous materials with microscale heat transfer is systematically studied. In these materials, heat radiation and heat convection that account for the scale effect of unit cells have an important impact on the macroscopic temperature and stress fields, which is our particular interest in this study. The scale effect is thought to be the result of microscopic heat transfer, the amount of which depends on the microscale pore size of porous materials. The higher-order multiscale formulations for computing the dynamic thermo-mechanical coupling problem with the inertia term, coupling term, convection term and radiation term are given successively. Then, the corresponding numerical algorithm based on the finite element-difference method is brought forward in details. Finally, numerical examples are given to demonstrate the efficiency and validity of the proposed method. The results indicate the disadvantages of classical finite element method. (C) 2015 Elsevier Ltd. All rights reserved. Keyword Multiscale asymptotic method Microscale heat transfer Porous materials Thermo-mechanical analysis DOI 10.1016/j.ijheatmasstransfer.2015.09.055 Language 英语 Funding Project Special Funds for National Basic Research Program of China (973 Program)[2010CB832702] ; National Natural Science Foundation of China[90916027] ; State Key Laboratory of Science and Engineering Computing WOS Research Area Thermodynamics ; Engineering ; Mechanics WOS Subject Thermodynamics ; Engineering, Mechanical ; Mechanics WOS ID WOS:000364884500086 Publisher PERGAMON-ELSEVIER SCIENCE LTD Citation statistics Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS] Document Type 期刊论文 Identifier http://ir.amss.ac.cn/handle/2S8OKBNM/21271 Collection 计算数学与科学工程计算研究所 Affiliation 1.Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Peoples R China2.Chinese Acad Sci, Acad Math & Syst Sci, LSEC, ICMSEC, Beijing 100190, Peoples R China Recommended CitationGB/T 7714 Yang, Zhiqiang,Cui, Junzhi,Zhou, Song. Thermo-mechanical analysis of periodic porous materials with microscale heat transfer by multiscale asymptotic expansion method[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2016,92:904-919. APA Yang, Zhiqiang,Cui, Junzhi,&Zhou, Song.(2016).Thermo-mechanical analysis of periodic porous materials with microscale heat transfer by multiscale asymptotic expansion method.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,92,904-919. MLA Yang, Zhiqiang,et al."Thermo-mechanical analysis of periodic porous materials with microscale heat transfer by multiscale asymptotic expansion method".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 92(2016):904-919.
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