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Quadrilateral Mesh Improvement

Anderson, Bret D., Jason F. Shepherd, Joel Daniels, and Steven E.Benzley

Research Notes, 17th International Meshing Roundtable, Springer-Verlag, pp.6-10, October 12-15 2008

IMR
PROCEEDINGS

17th International Meshing Roundtable
Pittsburgh, Pennsylvania, U.S.A.
October 12-15, 2008

Brigham Young University bret.d.anderson@gmail.com,seb@et.byu.edu
Sandia National Laboratories jfsheph@sandia.gov
Unversity of Utah jdaniels@cs.utah.edu

Introduction
In this paper, we build on the mesh improvement methods intended for parallel execution with the paving method [1] and introduce topological changes in an existing quadrilateral-only mesh to improve element shape and nodal valence. This discussion is intended to demonstrate the effectiveness of utilizing mesh cleanup operations as a post-processing step to other mesh generation algorithms. The technique is applied to meshes produced via triangleto- quadrilateral subdivision and octree-based surface generation methods to exemplify dramatric improvement in mesh quality independent of the original mesh structure and generating method.

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