Symmetric Nonconforming Mixed Finite Elements for Linear Elasticity

Abstract

We present a family of mixed methods for linear elasticity, that yield exactly symmetric, but only weakly conforming, stress approximations. The method is presented in both two and three dimensions (on triangular and tetrahedral meshes). The method is efficiently implementable by hybridization. The degrees of freedom of the Lagrange multipliers, which… (More)
DOI: 10.1137/10080018X

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