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An enhanced error estimator on the constitutive relation for plasticity problems

Abstract : This paper presents an extension to plasticity problems of a new error estimator on the constitutive relation which was introduced by P. Ladevèze in a recent paper. Numerical experiments show that this enhanced error estimator can lead to a significant improvement in the effectivity indexes in the case of anisotropic meshes, or when perfect plasticity is approached.
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L. Gallimard, P. Ladevèze, J.P. Pelle. An enhanced error estimator on the constitutive relation for plasticity problems. Computers and Structures, Elsevier, 2000, 78 (6), pp.801 - 810. ⟨10.1016/S0045-7949(00)00056-0⟩. ⟨hal-01689614⟩

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