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Using Edge Valence Prediction to Drive Localized All-Hex Coarsening

Miller, Tim I., Steven E. Benzley, Steven J. Owen, and Matthew L. Staten

Research Notes, 20th International Meshing Roundtable, Springer-Verlag, pp.Research Note, October 23-26 2011

IMR
PROCEEDINGS

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

Brigham Young University, Provo, UT, U.S.A.
Sandia National Laboratories, Albuquerque, NM, U.S.A.
Email: dukethree@gmail.com, seb@byu.edu, sjowen@sandia.gov, mlstate@sandia.gov

Summary
In this work, we propose using edge valence as a quality predictor when used as a driver for adapting all hexahedral meshes. Edge valence, for hexahedra, is defined as the number of faces attached to an edge. It has shown to be a more reliable quality predictor than node valence for hexahedral meshes. This work presents a general algorithm for predicting edge valence when used with column collapse and sheet extraction operations without actually performing the operation. Results have been derived from application of the algorithm towards the localized coarsening process.

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