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Jaal: Engineering a High Quality All-Quadrilateral Mesh Generator

Verma, Chaman Singh and Tim Tautges

20th International Meshing Roundtable, Springer-Verlag, pp.511-530, October 23-26 2011

IMR
PROCEEDINGS

20th International Meshing Roundtable
Paris, France
October 23-26, 2011

Department of Computer Sciences, University of Wisconsin, Madison, 53706, Argonne National Laboratory, Argonne IL, 60439
Email:csverma@cs.wisc.edu, tautges@mcs.anl.gov

Summary
In this paper, we describe the implementation of an open source code (Jaal) for producing a high quality, isotropic all-quadrilateral mesh for an arbitrary complex surface geometry. Two basic steps in this process are: (1) Triangle to quad mesh conversion using Suneeta Ramaswamy's tree matching algorithm and (2) Global mesh cleanup operation using Guy Bunin's one-defect remeshing to reduce irregular nodes in the mesh. These algorithms are fairly deterministic, very simple, require no input parameters, and fully automated yet produce an extremely high quality all-quadrilateral mesh (with very few 3 and 5 valence irregular nodes) for large class of problems.

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