A structure preserving front tracking finite element method for the Mullins--Sekerka problem
arXiv:2111.15418 · doi:10.1515/jnma-2021-0131
Abstract
We introduce and analyse a fully discrete approximation for a mathematical model for the solidification and liquidation of materials of negligible specific heat. The model is a two-sided Mullins--Sekerka problem. The discretization uses finite elements in space and an independent parameterization of the moving free boundary. We prove unconditional stability and exact volume conservation for the introduced scheme. Several numerical simulations, including for nearly crystalline surface energies, demonstrate the practicality and accuracy of the presented numerical method.
arXiv comment24 pages, 9 figures
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- A parametric finite element method for a degenerate multi-phase Stefan problem with triple junctions
- Isoparametric finite element methods for mean curvature flow and surface diffusion
- A structure-preserving finite element method for the multi-phase Mullins-Sekerka problem with triple junctions