RELAXATION OF A MODEL IN FINITE PLASTICITY WITH TWO SLIP SYSTEMS

Conti, Sergio and Dolzmann, Georg and Kreisbeck, Carolin (2013) RELAXATION OF A MODEL IN FINITE PLASTICITY WITH TWO SLIP SYSTEMS. MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES, 23 (11). pp. 2111-2128. ISSN 0218-2025, 1793-6314

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Abstract

The macroscopic material response of a variational model in geometrically nonlinear elasto-plasticity with two active slip systems, rigid elasticity, and hardening is determined. In particular, an explicit formula for the relaxation of the underlying energy density is given, both in the two-dimensional and a related three-dimensional setting. Finally, it is shown that the assumption of elastically rigid material behavior is justified since models with rigid elasticity can be obtained as G-limits of models with finite elastic energy for diverging moduli of elasticity.

Item Type: Article
Uncontrolled Keywords: CRYSTAL PLASTICITY; NEMATIC ELASTOMERS; MICROSTRUCTURE; Relaxation; single crystal plasticity; microstructure; G-convergence
Subjects: 500 Science > 510 Mathematics
Divisions: Mathematics > Prof. Dr. Georg Dolzmann
Depositing User: Dr. Gernot Deinzer
Date Deposited: 31 Mar 2020 11:23
Last Modified: 31 Mar 2020 11:23
URI: https://pred.uni-regensburg.de/id/eprint/16009

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