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Two finite difference schemes for the phase field crystal equation

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Abstract

The phase field crystal (PFC) model is a nonlinear evolutionary equation that is of sixth order in space. In the first part of this work, we derive a three level linearized difference scheme, which is then proved to be energy stable, unique solvable and second order convergent in L 2 norm by the energy method combining with the inductive method. In the second part of the work, we analyze the unique solvability and convergence of a two level nonlinear difference scheme, which was developed by Zhang et al. in 2013. Some numerical results with comparisons are provided.

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Correspondence to ZhiZhong Sun.

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Cao, H., Sun, Z. Two finite difference schemes for the phase field crystal equation. Sci. China Math. 58, 2435–2454 (2015). https://doi.org/10.1007/s11425-015-5025-1

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  • DOI: https://doi.org/10.1007/s11425-015-5025-1

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