On the stable discretization of strongly anisotropic phase field models with applications to crystal growth

Barrett, John W. and Garcke, Harald and Nuernberg, Robert (2013) On the stable discretization of strongly anisotropic phase field models with applications to crystal growth. ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 93 (10-11). pp. 719-732. ISSN 0044-2267, 1521-4001

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Abstract

We introduce unconditionally stable finite element approximations for anisotropic Allen-Cahn and Cahn-Hilliard equations. These equations frequently feature in phase field models that appear in materials science. On introducing the novel fully practical finite element approximations we prove their stability and demonstrate their applicability with some numerical results.

Item Type: Article
Uncontrolled Keywords: FINITE-ELEMENT APPROXIMATION; CAHN-HILLIARD EQUATION; GEOMETRIC EVOLUTION-EQUATIONS; BOUNDARY MOTION; MEAN-CURVATURE; SHARP; SOLIDIFICATION; SURFACE; LIMIT; LAWS; Phase field models; anisotropy; Allen-Cahn; Cahn-Hilliard; mean curvature flow; surface diffusion; Mullins-Sekerka; finite element approximation
Subjects: 500 Science > 510 Mathematics
Divisions: Mathematics > Prof. Dr. Harald Garcke
Depositing User: Dr. Gernot Deinzer
Date Deposited: 31 Mar 2020 07:05
Last Modified: 31 Mar 2020 07:05
URI: https://pred.uni-regensburg.de/id/eprint/15834

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