IDENTIFICATION OF ELASTIC-PLASTIC MECHANICAL PROPERTIES FOR BIMETALLIC SHEETS BY HYBRID-INVERSE APPROACH

查看全文 作　　者：Honglei [1]Zhang;Xuehui [1,2]Lin;Yanqun [1]Wang;Qian [1]Zhang;Yilan [1]Kang

机构地区：[1]School of Mechanical Engineering, Tianjin University, Tianjin 300072, China;[2]School of Mechanical Engineering, Fuzhou University, Fuzhou 350108, China

出　　处：《Acta Mechanica Solida Sinica》索引2010年第23卷第1期,共7页

基　　金：supported by the National Natural Science Foundation of China (Nos.10732080 and 10572102);National Basic Research Program of China (No.2007CB714000) 摘　　要：Analysis,evaluation and interpretation of measured signals become important components in engineering research and practice,especially for material characteristic parameters which can not be obtained directly by experimental measurements.The present paper proposes a hybrid-inverse analysis method for the identification of the nonlinear material parameters of any individual component from the mechanical responses of a global composite.The method couples experimental approach,numerical simulation with inverse search method.The experimental approach is used to provide basic data.Then parameter identification and numerical simulation are utilized to identify elasto-plastic material properties by the experimental data obtained and inverse searching algorithm.A numerical example of a stainless steel clad copper sheet is considered to verify and show the applicability of the proposed hybrid-inverse method.In this example,a set of material parameters in an elasto-plastic constitutive model have been identified by using the obtained experimental data. 关键词：弹塑性本构复合板力学性能混合逆算法实验测量非线性材料鉴定

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IDENTIFICATION OF ELASTIC-PLASTIC MECHANICAL PROPERTIES FOR BIMETALLIC SHEETS BY HYBRID-INVERSE APPROACH

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