On variational formulations with rigid-body constraints for finite elasticity: Applications to 2D and 3D finite element simulations

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• 作者：Heng Chi ^{hchi6@gatech.edu} ; Glaucio H. Paulino ; ^{paulino@gatech.edu}
• 关键词：Variational principles ; Finite elastostatics ; Rigid inclusions ; 3D FEA
• 刊名：Mechanics Research Communications
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：78
• 期：part_PB
• 页码：15-26
• 全文大小：3161 K
• 卷排序：78

文摘

Present a variational formulation with rigid-body constraints for finite elasticity. The 3D FEM of the variational formulation with rigid-body constraints is proposed. The framework is applied to displacement-based and mixed FE with arbitrary order. Present an application in 2D where the rigid inclusion has highly graded edges. Present an application in 3D with complex spatial distribution of rigid inclusions.