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Conclusions

In the presented paper, an approach for the direct triangulation of 3D surfaces has been applied to the family of discrete surfaces represented by a triangular grid of arbitrary topology. The limit surface is reconstructed using a subdivision technique. An interpolating subdivision scheme based on the modified Butterfly scheme has been adopted. This scheme yields the differentiable limit surface. The actual discretization is based on the advancing front technique constrained directly to the limit surface. Various aspects concerning the performance of the algorithm have been addressed. Although the employed interpolating scheme exhibits several advantages, including locality and simplicity, numerical experiments still reveal relatively high computational demands of this technique. The possible applications of this technique can be found in adaptive remeshing of bodies in contact problems, in analyses with large displacements, etc.

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Daniel Rypl
2005-12-03