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Parallel Adaptive Boundary Layer Meshing for CFD Analysis

Ovcharenko, Aleksandr, Kedar Chitale, Onkar Sahni, Kenneth E. Jansen, and Mark S. Shephard

21st International Meshing Roundtable, Springer-Verlag, pp.437-455, October 7-10 2012


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

Scientific Computation Research Center (SCOREC), Rensselaer Polytechnic Institute, 110 8th St, Troy, NY 12180

This paper describes a parallel procedure for anisotropic mesh adaptation with boundary layers for use in scalable CFD simulations. The parallel mesh adaptation algorithm operates with local mesh modification operations developed for both unstructured and boundary layer parts of the mesh. The adaptive approach maintains layered elements near the viscous walls and accounts for the mesh modification operations that are carried out in parallel on a distributed mesh. In the process mesh relationships and approximations with respect to curved complex 3D geometries of interest are properly maintained. The parallel mesh adaptation procedures are applied to two problems: a heat transfer manifold and a scramjet engine.

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