Hybrid Mesh Generation for Viscous Flow Simulation
Wang, Yuanli and Samuel Murgie
Proceedings, 15th International Meshing Roundtable, Springer-Verlag, pp.109-126, September 17-20 2006
15th International Meshing Roundtable
Birmingham, Alabama, U.S.A.
September 17-20, 2006
ALGOR, Inc., 150 Beta Dr., Pittsburgh, PA USA, 15238
This paper presents a robust and automated approach to generate unstructured
hybrid grids comprised of prismatic and tetrahedral elements for viscous
flow computations. The hybrid mesh generation starts from a triangulated surface mesh. The prismatic elements are extruded based on the weak solutions of the Eikonal equation to generate anisotropic elements at boundaries, and finally the isotropic tetrahedral grids are generated to fill the rest of the domain. The presented hybrid meshing algorithm was validated using a ball valve model under both steady and unsteady conditions.
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