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Lazy Constrained Tetrahedralization

Conraud, Joel

Proceedings 4th International Meshing Roundtable, Sandia National Laboratories, pp.15-26, October 1995


A new method is proposed for forcing a tetrahedral mesh to respect given triangles. Starting with a tetrahedralization of the triangles vertices, differences between surface mesh and volume mesh are computed and then partitioned into "acceptable" and "unacceptable" subsets. Usual refining mesh techniques are only applied on the "unacceptable" subset, leading to what we call lazy constrained tetrahedralization. The partitioning base is combinatorially made.

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