Approximation of the Norton–Hoff plasticity model with isotropic hardening through Cosserat plasticity

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Authors

  • P.M. Bies Department of Mathematics and Information Sciences, Warsaw University of Technology, Poland

Abstract

In this paper the regularizing properties of Cosserat elasto-plastic models in a geometrically linear setting are investigated. For vanishing Cosserat effects it is shown that the Norton–Hoff model with isotropic hardening is approximated by the model with microrotations.

Keywords:

Cosserat model, Norton-Hoff model, isotropic hardening, elasto-plastic deformations