Journal
SIAM JOURNAL ON SCIENTIFIC COMPUTING
Volume 29, Issue 2, Pages 579-597Publisher
SIAM PUBLICATIONS
DOI: 10.1137/050646561
Keywords
level set method; finite volume method; high resolution; evolving interfaces; unstructured grids
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A new high-resolution flux-based finite volume method for general advection equations in nondivergent form including a level set equation for moving interfaces is introduced. The method is applicable to the case of nondivergence free velocity and to general unstructured grids in higher dimensions. We show that the method is consistent and that the numerical solution fulfills the discrete minimum/maximum principle. Numerical experiments show its second order accuracy for smooth solutions as well as for solutions with discontinuous derivatives and on general unstructured meshes. Numerical examples for passive transport and shrinking of dynamic interfaces, including examples with topological changes, are presented using locally adapted two-dimensional and three-dimensional grids.
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