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Hybrid remap for multi-material ALE. (English) Zbl 1433.76133
Summary: Remapping is one of the essential parts of most arbitrary Lagrangian-Eulerian (ALE) methods. In this short paper we focus on multi-material fluid flows. We present a hybrid remapping method combining the swept remapping algorithm in pure regions with the intersection-based remapping algorithm close to material interfaces. We describe the hybrid remapping method in two formulations, as a one-step and a two-step procedure and compare behaviour of both approaches with the standard intersection-based algorithm using several numerical examples.

MSC:
76M99 Basic methods in fluid mechanics
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