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《Journal of Shanghai Jiaotong University》 2008-11
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Nonlinear Analysis of Plates and Shells Based on Solid-Shell Element

LI Li-ming,LI Da-yong,PENG Ying-hong,HU Li-juan(School of Mechanical Engineering,Shanghai Jiaotong University,Shanghai 200240,China)  
A solid-shell element was introduced into explicit finite element method(EFEM) and locking pathologies were eliminated by employing twelve enhanced assumed strain parameters,which makes up the deformation limitations of solidshell element.Stress was updated through the co-rotational theory and radial return algorithm.Accordingly,a solid-shell element analysis model based on EFEM was developed to account for plates and shells with large deformation.Standard benchmarks were exercised.The results show the high accuracy of the solid-shell element.It also proved the efficiency of the proposed model in dealing with plates and shells exhibiting both large deformation and elasto-plastic behavior.
【Fund】: 高等学校学科创新引智计划资助项目(B06012)
【CateGory Index】: O347.3
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