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pCAMAL: An Embarrassingly Parallel Hexahedral Mesh Generator

Pebay, Philippe P., Michael B. Stephenson, Leslie A. Fortier, Steven J. Owen, and Darryl J. Melander

Proceedings, 16th International Meshing Roundtable, Springer-Verlag, pp.269-284, October 14-17 2007

IMR
PROCEEDINGS

16th International Meshing Roundtable
Seattle, Washington, U.S.A.
October 14-17, 2007

Sandia National Laboratories P.O. Box 969, MS 9051, Livermore CA 94551, U.S.A. pppebay@sandia.gov
M.B. Stephenson & Associates 2005 West 1550 North, Provo, UT 84604-2212, U.S.A mbsteph@sandia.gov
Sandia National Laboratories P.O. Box 5800, MS 0376, Albuquerque NM 87185-0376, U.S.A. laforti@sandia.gov
Sandia National Laboratories P.O. Box 5800, MS 0376, Albuquerque NM 87185-0376, U.S.A. sjowen@sandia.gov
Sandia National Laboratories P.O. Box 5800, MS 0376, Albuquerque NM 87185-0376, U.S.A. djmelan@sandia.gov

Abstract
This paper describes a distributed-memory, embarrassingly parallel hexahedral mesh generator, pCAMAL (parallel CUBIT Adaptive Mesh Algorithm Library). pCAMAL utilizes the sweeping method following a serial step of geometry decomposition conducted in the CUBIT geometry preparation and mesh generation tool. The utility of pCAMAL in generating large meshes is illustrated, and linear speed-up under load-balanced conditions is demonstrated.

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