Abstract

AbstractAn efficient solution procedure for elasto‐plastic analysis of Reissner‐Mindlin plates has been proposed in this work. The main ingredients which render efficiency are: what appears to be an optimally tuned four‐node plate element with assumed shear strains and incompatible bending modes; an elasto‐plastic constitutive model given directly in terms of stress resultants; and efficient computation of plastic flow which simplifies to a solution of a single scalar equation and remaining state update computation. The performance of the element has been proved very satisfying in both elastic singularity‐dominated and elasto‐plastic problems.

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