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Conference Papers Year : 2022

Quasi-structured anisotropic quad-dominant mesh adaptation using metric-orthogonal approach

Abstract

We present a strategy for the generation of mixed-element quasi-structured meshes. This strategy is based on the tools of metric-based mesh adaptation. Using metricorthogonal point placement, we can generate a pattern of points following the underlying structure of the metric-field, from which we generate a quasi structured triangular or mixed-element mesh. This paper presents some enhancement of the adaptation loop towards the generation of quad-dominant meshes. Especially, since this method highly depends on the prescribed metric-field, we present a tailored gradation process that favors the formation of structured elements. We also explore two processes to recover the quadrilaterals: an indirect method based on combining right triangles from a preliminary orthogonal triangular mesh, and a quadrilateral detection at the point-placement step.
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Dates and versions

hal-03536970 , version 1 (02-02-2022)

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Lucille-Marie Tenkes, Adrien Loseille, Frederic Alauzet. Quasi-structured anisotropic quad-dominant mesh adaptation using metric-orthogonal approach. SCITECH 2022 - AIAA SciTech Forum, Jan 2022, San Diego, United States. ⟨10.2514/6.2022-1246⟩. ⟨hal-03536970⟩
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