11th International Meshing Roundtable
Ithaca, New York, USA.
September 15-18 2002
500 Davis St., Suite 600, Evanston, Illinois 60201
A newly developed system for defining watertight volume geometry on imported foreign CAD models is described. This system is based on an overlay grid mesher that is being developed in the GAMBIT preprocessing code. It is being explored as an alternative way of cleaning dirty geometries. This overlay meshing based geometry cleanup enables an automatic volume reconstruction from inconsistent B-Rep surface geometries. These inconsistencies include common edges defined twice, small gaps, holes and overlapping of faces. This new approach holds the promise of higher automation levels, speed and robustness when compared to more traditional interactive cleanup methodologies.
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