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SOLUTIONS OF ELASTIC-PLASTIC STRESS ANALYSIS PROBLEMS BY THE p-VERSION OF THE FINITE ELEMENT METHOD
Abstract

BARNA A. SZABÓ RICARDO L. ACTIS, and STEFAN M. HOLZER

The solution of small-strain elastic-plastic stress analysis problems by the p-version of the finite element method is discussed. The formulation is based on the deformation theory of plasticity and the displacement method. Practical realization of controlling discretization errors for elastic-plastic problems is the main focus of the paper. Numerical examples, which include comparisons between the deformation and incremental theories of plasticity under tight control of discretization errors, are presented.

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