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Control of element shape and alignment for 3D solution adaptive mesh generation

Abstract : A new 3D metric-aligned and metric-orthogonal method for anisotropic tetrahedral mesh generation is presented. The approach uses an advancing-point type point placement that aligns the elements with the underlying metric field and creates quasi-structured local topology. It is based on well-proven methodology and adds novel point-placement strategies that produce solution-adapted anisotropic meshes that are both sized and aligned with the solution gradients upon which the metric field is based. The overall methodology is extended to 3D from a previously developed 2D process. Results for analytical examples and a CFD simulation case are presented that demonstrate that aligned high-quality anisotropic tetrahedral meshes can be reliably generated.
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https://hal.inria.fr/hal-03162309
Contributor : Frédéric Alauzet <>
Submitted on : Monday, March 8, 2021 - 2:10:40 PM
Last modification on : Wednesday, March 17, 2021 - 11:53:34 AM

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David Marcum, Frédéric Alauzet. Control of element shape and alignment for 3D solution adaptive mesh generation. Computer-Aided Design, Elsevier, 2020, 119, pp.102750. ⟨10.1016/j.cad.2019.102750⟩. ⟨hal-03162309⟩

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