On the stress calculation within phase-field approaches: a model for finite deformations

On the stress calculation within phase-field approaches: a model for finite deformations 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Computational Mechanics Springer Journals

On the stress calculation within phase-field approaches: a model for finite deformations

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Theoretical and Applied Mechanics; Computational Science and Engineering; Classical and Continuum Physics
ISSN
0178-7675
eISSN
1432-0924
D.O.I.
10.1007/s00466-017-1401-8
Publisher site
See Article on Publisher Site

Abstract

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.

Journal

Computational MechanicsSpringer Journals

Published: Mar 31, 2017

References

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