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Methods for Multisweep Automation

Shepherd, Jason, Scott A. Mitchell, Patrick Knupp, and David White

Proceedings, 9th International Meshing Roundtable, Sandia National Laboratories, pp.77-87, October 2000

IMR
PROCEEDINGS

9th International Meshing Roundtable
October 2-5, 2000, New Orleans, Louisiana

Jason Shepherd, Scott A. Mitchell, Patrick Knupp, and David White
Sandia National Laboratories, Albuquerque, NM, USA
Email: jfsheph@sandia.gov, samitch@sandia.gov, pknupp@sandia.gov, drwhite@sandia.gov

Abstract
Sweeping has become the work-horse algonthm for creating conforming hexahedral meshes of complex models. This paper describes progress on the automatic, robust generation of MultiSwept meshes in CUBIT. MultiSweeping extends the class of volumes that may be swept to include those with multiple source and multiple target surfaces. While not yet perfect, CUBITís MultiSweeping has recently become more reliable, and been extended to assemblies of volumes. Sweep Forging automates the process of making a volume (multi) sweepable: Sweep Verification takes the given source and target surfaces, and automatically classifies curve and vertex types so that sweep layers are well formed and progress from sources to targets.

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