11th International Meshing Roundtable
Ithaca, New York, USA.
September 15-18 2002
Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil
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This paper presents a robust and automated approach to generate unstructured hybrid grids comprised of tetrahedra, prisms, and
pyramids for high Reynolds number flow computations. The hybrid mesh generation starts with isotropic tetrahedral grids to
enhance the robustness. The tetrahedra near no-slip walls are shifted inward and the resulting gap between the tetrahedra and the
walls is filled up with prismatic elements. The addition of prismatic elements is locally stopped if negative volume elements are
created. The method is demonstrated for scaled experimental supersonic airplane models designed at the National Aerospace
Laboratory of Japan (NAL) and an Aero-Train model designed at the Institute of Fluid Science, Tohoku University.
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