Adaptive Mesh Generation for Viscous Flows using Delaunay Triangulation

Numerical Grid Generation in Computational Fluid Mechanics `88, Pineridge Press, pp.611-620, 1988

MESHING
RESEARCH
CORNER

in proceedings:
Numerical Grid Generation in Computational Fluid Mechanics '88, Edited by S. Sengupta, J. Hauser, P.R. Eiseman, J. F. Thompson.
Copyright 1988 Pineridge Press
ISBN 0-906674-68-9

Institute for Computer Applications in Science and Engineering, NASA Langley Research Center Hampton, VA

Abstract
A method for generating an unstructured triangular mesh in two dimensions, suit- able for computing high Reynolds number flows over arbitrary configurations is presented. The method is based on a Delaunay triangulation, which is performed in a locally stretched space, in order to obtain very high aspect ratio triangles in the boundary layer and wake regions. It is shown how the method can be coupled with an unstructured Navier-Stokes solver to produce a solution adaptive mesh generation procedure for viscous flows.