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Advancing Front Surface Mesh Generation in Parametric Space Using a RiemannianSurface Definition

Tristano, Joseph R., Steven J. Owen, and Scott A. Canann

7th International Meshing Roundtable, Sandia National Labs, pp.429-445, October 1998

INTERNATIONAL
MESHING
ROUNTABLE

7th International Meshing Roundtable
October 26-28, 1998
Dearborn, Michigan, U.S.A.

ANSYS Design Development Department
ANSYS, Inc.
Canonsburg, PA USA

Abstract
A method is presented for meshing 3D CAD surfaces in parametric space using an advancing front approach. A metric map is used to govern the size and shape of the triangles in the parametric space. The advancing front mesher generates triangles based on the metric map, stretching them, when needed, in order to capture changes in parameterization of the surface. The benefits of this algorithm include better quality elements without having to do costly real space calculations, such as projections and 3D facet intersections.

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