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PaMPA : Parallel Mesh Partitioning and Adaptation

Cédric Lachat 1, 2 François Pellegrini 1, 3 Cecile Dobrzynski 1, 4 
1 BACCHUS - Parallel tools for Numerical Algorithms and Resolution of essentially Hyperbolic problems
Inria Bordeaux - Sud-Ouest, UB - Université de Bordeaux, CNRS - Centre National de la Recherche Scientifique : UMR5800
2 CASTOR - Control, Analysis and Simulations for TOkamak Research
CRISAM - Inria Sophia Antipolis - Méditerranée , JAD - Laboratoire Jean Alexandre Dieudonné
Abstract : We present the parallel remeshing capabilities of PaMPA, a library dedicated to the management of unstructured meshes distributed across the processors of a parallel machine. PaMPA performs parallel remeshing by selecting independent subsets of elements that need remeshing, and running a user-provided sequential remesher (e.g. MMG3D) on these subsets. This process is repeated on yet un-remeshed areas until all of the mesh is remeshed. The new mesh is then repartitioned to restore load balance. We present experimental results where we generate high quality, anisotropic tetrahedral meshes comprising several hundred million elements from initial meshes of several million elements.
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Contributor : François Pellegrini Connect in order to contact the contributor
Submitted on : Sunday, November 3, 2013 - 3:11:38 PM
Last modification on : Friday, August 5, 2022 - 3:50:58 AM


  • HAL Id : hal-00879382, version 1


Cédric Lachat, François Pellegrini, Cecile Dobrzynski. PaMPA : Parallel Mesh Partitioning and Adaptation. DD22 - 22nd International Conference on Domain Decomposition Methods, Institute of Computational Science (ICS), Università della Svizzera italiana (USI), Sep 2013, Lugano, Switzerland. ⟨hal-00879382⟩



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