Journal
COMPUTATIONAL MECHANICS
Volume 60, Issue 2, Pages 203-217Publisher
SPRINGER
DOI: 10.1007/s00466-017-1401-8
Keywords
Phase-field; Multiphase-field; Mechanical jump conditions; Finite deformations
Funding
- DFG
- Helmholtz programs EMR-Energy efficiency, Materials and Ressources
- [NE822/16-1]
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Numerical simulations based on phase-field methods are indispensable in order to investigate interesting and important phenomena in the evolution of microstructures. Microscopic phase transitions are highly affected by mechanical driving forces and therefore the accurate calculation of the stresses in the transition region is essential. We present a method for stress calculations within the phase-field framework, which satisfies the mechanical jump conditions corresponding to sharp interfaces, although the sharp interface is represented as a volumetric region using the phase-field approach. This model is formulated for finite deformations, is independent of constitutive laws, and allows using any type of phase inherent inelastic strains.
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