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A multigrid solver for phase field simulation of microstructure evolution

Author

Listed:
  • Vanherpe, Liesbeth
  • Wendler, Frank
  • Nestler, Britta
  • Vandewalle, Stefan

Abstract

This paper presents a semi-implicit numerical method for the simulation of grain growth in two dimensions with a multi-phase field model. To avoid the strong stability condition of traditional explicit methods, a first-order, semi-implicit discretisation scheme is employed, which offers a good compromise with regard to memory intensity and computational requirements. A nonlinear multigrid solver based on the Full Approximation Scheme is implemented to solve the equations resulting from this discretisation. Simulations with the multigrid solver show that the solver has grid size independent convergence properties and is faster than a standard first-order explicit solver. As such, the multigrid solver promises to be a reliable additional computational tool for the simulation of microstructural evolution. A comparison with existing alternatives remains, however, subject of further investigation. To validate the implementation, the results of specific test cases are studied.

Suggested Citation

  • Vanherpe, Liesbeth & Wendler, Frank & Nestler, Britta & Vandewalle, Stefan, 2010. "A multigrid solver for phase field simulation of microstructure evolution," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 80(7), pages 1438-1448.
    • Handle: RePEc:eee:matcom:v:80:y:2010:i:7:p:1438-1448
    DOI: 10.1016/j.matcom.2009.10.007
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    Cited by:

    1. Lee, Dongsun & Kim, Junseok, 2016. "Comparison study of the conservative Allen–Cahn and the Cahn–Hilliard equations," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 119(C), pages 35-56.
    2. Lee, Hyun Geun & Kim, Junseok, 2015. "An efficient numerical method for simulating multiphase flows using a diffuse interface model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 423(C), pages 33-50.

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