Abstract
Local transformation, or topological reconnection, is one of effective procedures of mesh improvement method, especially for three-dimensional tetrahedral mesh. Although the existing local transformations such as 2-3/3-2 flip are effective in removing poorly-shaped tetrahedra, it is still possible to improve the quality of mesh further by expanding the space of transformation region. The authors recently proposed a new local transformation operation, small polyhedron reconnection (or SPR for abbreviating), which seeks the optimal tetrahedralization of a polyhedron with a certain number of vertexes and faces (typically composed of 20 to 40 tetrahedral elements).
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Liu, J., Sun, S. (2006). Small Polyhedron Reconnection: A New Way to Eliminate Poorly-Shaped Tetrahedra. In: Pébay, P.P. (eds) Proceedings of the 15th International Meshing Roundtable. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-34958-7_14
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DOI: https://doi.org/10.1007/978-3-540-34958-7_14
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