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Non-Local Topological Clean-Up

Bunin, Guy

Proceedings, 15th International Meshing Roundtable, Springer-Verlag, pp.3-20, September 17-20 2006

IMR
PROCEEDINGS

15th International Meshing Roundtable
Birmingham, Alabama, U.S.A.
September 17-20, 2006

Department of Physics, Technion, Haifa 32000, Israel
buning@tx.technion.ac.il

Abstract
A new approach to topological clean-up of 2D meshes is presented. Instead of searching for patterns in a mesh and replacing them as in other methods, the proposed method replaces a region in a mesh only according to the boundary of that region. This simplifies the classification of the different cases, and allows mesh modification over greater regions in the mesh. An algorithm for quadrilateral meshes utilizing this approach is presented in detail, and its effects on example problems are shown.

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