LACHAT, C; DOBRZYNSKI, C; PELLEGRINI, F

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LACHAT, C
Parallel tools for Numerical Algorithms and Resolution of essentially Hyperbolic problems [BACCHUS]

DOBRZYNSKI, C
Parallel tools for Numerical Algorithms and Resolution of essentially Hyperbolic problems [BACCHUS]
Institut de Mathématiques de Bordeaux [IMB]

PELLEGRINI, F
Laboratoire Bordelais de Recherche en Informatique [LaBRI]
Parallel tools for Numerical Algorithms and Resolution of essentially Hyperbolic problems [BACCHUS]

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Proceedings of WCCM XI - ECCM V - ECFD VI, Proceedings of WCCM XI - ECCM V - ECFD VI, 5th European Conference on Computational Mechanics (ECCM V), 2014-07-20, Barcelone. 2014-07, vol. 3, p. 2612-2623

CIMNE - International Center for Numerical Methods in Engineering

Résumé en anglais

This paper presents a parallel remeshing algorithm for distributed-memory architectures. It is an iterative parallel algorithm that divides the areas to be remeshed into multiple pieces which can be distributed to as many processing elements as pos-sible, in order for these pieces to be remeshed concurrently by a third-party sequential remesher. Then, remeshed pieces are reintegrated into the distributed mesh, and this pro-cess is iterated until all relevant areas of the mesh have been remeshed. Any sequential remesher can be used, provided it allows some of the mesh elements not to be modified, so as to preserve interfaces between pieces. Our method, which has been implemented in the PaMPA library, is validated by a set of experiments involving both isotropic and anisotropic meshes.< Réduire

Mots clés en anglais

high performance computing

parallel remeshing

distributed memory

anisotropic mesh

mesh adaptation

parallel graph partitioning

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Parallel mesh adaptation using parallel graph partitioning

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