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- W1971146381 abstract "We define quality differential coordinates (QDC) for per-vertex encoding of the quality of a tetrahedral mesh. QDC measures the deviation of a mesh vertex from a position which maximizes the combined quality of the set of tetrahedra incident at that vertex. Our formulation allows the incorporation of different choices of element quality metrics into QDC construction to penalize badly shaped and inverted tetrahedra. We develop an algorithm for tetrahedral mesh optimization through energy minimization driven by QDC. The variational problem is solved efficiently and robustly using gradient flow based on a stable semi-implicit integration scheme. To ensure quality boundary of the resulting tetrahedral mesh, we propose a harmonic-guided optimization scheme which leads to consistent handling of both the interior and boundary tetrahedra." @default.
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- W1971146381 date "2009-06-01" @default.
- W1971146381 modified "2023-10-11" @default.
- W1971146381 title "Quality encoding for tetrahedral mesh optimization" @default.
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- W1971146381 doi "https://doi.org/10.1016/j.cag.2009.03.020" @default.
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