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An Extension of the Advancing Front Method to Composite Geometry

Foucault G., J-C. CuilliËre, V. FranÁois, J-C. LÈon, R. Maranzana

Proceedings, 16th International Meshing Roundtable, Springer-Verlag, pp.287-314, October 14-17 2007

IMR
PROCEEDINGS

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

UniversitÈ du QuÈbec ‡ Trois-RiviËres, CP 500, Trois-RiviËres (QuÈbec) G9A-5H7, Canada Gilles.Foucault, Jean-Christophe.Cuilliere, Vincent.Francois @uqtr.ca
Institut National Polytechnique de Grenoble, Laboratoire G-SCOP, France, Jean-Claude.Leon@hmg.inpg.fr
Ecole de Technologie SupÈrieure de MontrÈal, GPA, Laboratoire LIPPS, Canada, Roland.Maranzana@etsmtl.ca

Abstract
This paper introduces a new approach to automatic mesh generation over composite geometry. This approach is based on an adaptation of advancing front mesh generation techniques over curved surfaces, and its main features are : -elements are generated directly over multiple parametric surfaces: advancing front propagation is adapted through the extension to composite geometry of propagation direction, propagation length, and target point concepts, -each mesh entity is associated with sets of images in each reference entity of the composite geometry, -the intersection tests between segments are performed in the parametric domain of their images.

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