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

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

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.
OriginalspracheEnglisch
Titel82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM)
HerausgeberG. Brenn, G. A. Holzapfel, M. Schanz, O. Steinbach
Anzahl der Seiten3
Band11
VerlagWiley-VCH Verlag
Erscheinungsdatum2011
Seiten531–532
DOIs
PublikationsstatusErschienen - 2011
Extern publiziertJa
Veranstaltung82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics -GAMM2012 - Graz, Österreich
Dauer: 01.01.2012 → …
Konferenznummer: 82

DOI

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