Modeling and numerical simulation of multiscale behavior in polycrystals via extended crystal plasticity

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Authors

The purpose of this work is to exploit the algorithmic formulation of models for multiscale inelastic materials whose behavior is influenced by the evolution of inelastic microstructure and the corresponding material or internal lengthscales. The models for extended crystal plasticity are based on the formulation of rate potentials whose form is determined by (i) energetic processes via the free energy, (ii) kinetic processes via the dissipation potential, and (iii) the form of the evolution relations for the internal-variable-like quantities upon which the free energy and dissipation potential depend. Examples for these latter quantities are the inelastic local deformation or dislocation densities as GNDs. Different algorithmic implementations are discussed, namely the algorithmic variational approach and the dual mixed approach.
Original languageEnglish
Title of host publication82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM)
EditorsG. Brenn, G. A. Holzapfel, M. Schanz, O. Steinbach
Number of pages3
Volume11
PublisherWiley-VCH Verlag
Publication date2011
Pages531–532
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics -GAMM2012 - Graz, Austria
Duration: 01.01.2012 → …
Conference number: 82

DOI

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