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3D tetrahedral, unstructured and anisotropic mesh generation with adaptation to natural and multidomain metric

Abstract : In this paper we present a 3D tetrahedral, unstructured and anisotropic mesh generator that is not based on the Delaunay, frontal or octree method. Instead, it proceeds by local optimizations and uses an anisotropic shape criterion to fit a metric field. Then, we introduce a new 3D metric field that tightens the mesh around interfaces when the calculation domain is divided in several subdomains, and a 3D metric field that places enough elements through each subdomain thickness, without introducing too many nodes in the other directions. Finally, we show some applications for material forming geometries
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00517639
Contributor : Magalie Prudon <>
Submitted on : Wednesday, September 15, 2010 - 10:13:34 AM
Last modification on : Wednesday, October 14, 2020 - 3:43:32 AM

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Cyril Gruau, Thierry Coupez. 3D tetrahedral, unstructured and anisotropic mesh generation with adaptation to natural and multidomain metric. Computer Methods in Applied Mechanics and Engineering, Elsevier, 2005, 194 (48-49), pp.Pages 4951-4976. ⟨10.1016/j.cma.2004.11.020⟩. ⟨hal-00517639⟩

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