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Existence and uniqueness for rate-independent infinitesimal gradient plasticity with isotropic hardening and plastic spin
1 University of Cape Town
* To whom correspondence should be addressed. E-mail: patrizio.neff{at}yahoo.de.
Existence and uniqueness for infinitesimal dislocation based rate-independent gradient plasticity with linear isotropic hardening and plastic spin are shown using convex analysis and variational inequality methods. The dissipation potential is extended non-uniquely from symmetric plastic rates to non-symmetric plastic rates and three qualitatively different formats for the dissipation potential are distinguished.
First published on August 21, 2009 |
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