DOBRZYNSKI, Cécile; FREY, Pascal

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DOBRZYNSKI, Cécile
Institut de Mathématiques de Bordeaux [IMB]
Algorithms and high performance computing for grand challenge applications [SCALAPPLIX]

FREY, Pascal
Laboratoire Jacques-Louis Lions [LJLL]

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Communication dans un congrès

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Proceedings of the 17th international Meshing Roundtable, Proceedings of the 17th international Meshing Roundtable, 17th international Meshing Roundtable, 2008. 2008p. 177-194

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Anisotropic mesh adaptation is a key feature in many numerical simu- lations to capture the physical behavior of a complex phenomenon at a reasonable computational cost. It is a challenging problem, especially when dealing with time dependent and interface capturing or tracking problems. In this paper, we describe a local mesh adaptation method based on an extension of the Delaunay kernel for creat- ing anisotropic mesh elements with respect to adequate metric tensors. In addition, we show that this approach can be successfully applied to deal with ﬂuid-structure inter- action problems where parts of the domain boundaries undergo large displacements. The accuracy and eﬃciency of the method is assessed on various numerical examples of complex three-dimensional simulations.< Leer menos

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Anisotropic Delaunay mesh adaptation for unsteady simulations

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