Transient adaptivity applied to two-phase incompressible flows

Authors:
Gaëtan Compère;Emilie Marchandise;Jean-François Remacle
Affiliations:
Université catholique de Louvain, Department of Civil Engineering, Place du Levant 1, 1348 Louvain-la-Neuve, Belgium and Fonds National de la Recherche Scientifique, rue d'Egmont 5, 1000 Brux ...;Université catholique de Louvain, Department of Civil Engineering, Place du Levant 1, 1348 Louvain-la-Neuve, Belgium and Fonds National de la Recherche Scientifique, rue d'Egmont 5, 1000 Brux ...;Université catholique de Louvain, Department of Civil Engineering, Place du Levant 1, 1348 Louvain-la-Neuve, Belgium and Center for Systems Engineering and Applied Mechanics (CESAME), Univers ...
Venue:
Journal of Computational Physics
Year:
2008

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Abstract

An anisotropic adaptation process is applied to a three-dimensional incompressible two-phase flow solver. The solver uses a level set/finite element method on unstructured tetrahedral meshes. We show how the level set function can be used to build an anisotropic mesh with good properties. Some computations with a strong transient character and large densities ratios (1/1000) are presented. We show that the efficiency of the computations can be deeply enhanced by mesh adaptations.