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- Title
Multiphase-field model of small strain elasto-plasticity according to the mechanical jump conditions.
- Authors
Herrmann, Christoph; Schoof, Ephraim; Schneider, Daniel; Schwab, Felix; Reiter, Andreas; Selzer, Michael; Nestler, Britta
- Abstract
We introduce a small strain elasto-plastic multiphase-field model according to the mechanical jump conditions. A rate-independent J2-plasticity model with linear isotropic hardening and without kinematic hardening is applied exemplary. Generally, any physically nonlinear mechanical model is compatible with the subsequently presented procedure. In contrast to models with interpolated material parameters, the proposed model is able to apply different nonlinear mechanical constitutive equations for each phase separately. The Hadamard compatibility condition and the static force balance are employed as homogenization approaches to calculate the phase-inherent stresses and strains. Several verification cases are discussed. The applicability of the proposed model is demonstrated by simulations of the martensitic transformation and quantitative parameters.
- Subjects
MULTIPHASE flow; FLUID flow; SIMULATION methods &; models; MICROSTRUCTURE; DEFORMATIONS (Mechanics)
- Publication
Computational Mechanics, 2018, Vol 62, Issue 6, p1399
- ISSN
0178-7675
- Publication type
Article
- DOI
10.1007/s00466-018-1570-0