Miles B Rubin's blog
Post-Doctoral Position in Theoretical and Computational Mechanics
Submitted by Miles B Rubin on Thu, 2008-08-07 10:23.A Cosserat Point Element (CPE) for finite deformation elastic-viscoplastic materials
Background: Recently the theory of a Cosserat Point has been used to develop an eight noded 3-D brick Cosserat Point Element (CPE) for finite deformation elasticity. In contrast with standard finite element procedures, the CPE approach treats the element as a structure and proposes a strain energy function that ensures positive stiffness to all inhomogeneous modes of deformation. This leads to a CPE that does not experience hourglass instabilities exhibited by elements in commercial codes.


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