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Edge-Based Anisotropic Mesh Adaptation for CFD Applications

Coupez, T., G. Jannoun, J. Veysset and E. Hachem

21st International Meshing Roundtable, Springer-Verlag, pp.567-582, October 7-10 2012


21st International Meshing Roundtable
San Jose, CA
October 7-10,2012

MINES ParisTech, UMR CNRS 7635, BP 207, 06904 Sophia-Astipolis, France

This paper presents an anisotropic mesh adaptation technique relying on the length distribution tensor approach and an edge based error estimator. It enables to calculate a stretching factor providing a new edge length distribution, its associated tensor and the corresponding metric. The optimal stretching factor field is obtained by solving an optimization problem under the constraint of a fixed number of nodes. It accounts for different component fields in a single metric. With such features, the method proves to be simple and efficient and can be easily applied to a large panel of challenging CFD applications.

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