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The input surface mesh, 11706 nodes, 26399 triangles.

The constrained Delaunay tetrahedralization, 22271 nodes, 94569 tetrahedra, and 52676 boundary faces.

The quality Delaunay tetrahedralization (Statistics).

si@a302n3: ~/meshmodels/crystal > tetgen -pqV crystal03_cut.d_cut.mesh Opening crystal03_cut.d_cut.mesh. Constructing Delaunay tetrahedrization. Total flips: 209675, where T23 123795, T32 85854, T22 0, T44 26 Delaunay seconds: 2.21 Creating surface mesh. Constructing mapping from indices to points. Unifying segments. Constructing mapping from points to subfaces. Merging coplanar facets. Perturbing vertices. Constructing mapping from points to tetrahedra. 0 break points are inserted. Delaunizing segments. Marking segments have acute corners. Constructing mapping from points to segments. Constructing mapping from points to tetrahedra. 10738 protect points are inserted. Constraining facets. Constructing mapping from points to tetrahedra. The biggest cavity: 132 faces, 68 vertices Enlarged 0 times Segment and facet seconds: 5.54 Removing unwanted tetrahedra. Marking concavities for elimination. Marking neighbors of marked tetrahedra. Deleting marked tetrahedra. Hole seconds: 0.07 Removing degenerate tets. 0 degeneracies are removed. Repair seconds: 0.06 Adding Steiner points to enforce quality. Marking sharp subfaces. 30088 subfaces have been marked. Marking skinny subfaces. 16812 subfaces have been marked. Initializing protecting spheres. Constructing mapping from points to tetrahedra. Splitting encroached subsegments. 49904 points are inserted. Splitting encroached subfaces. 35239 points are inserted. Splitting bad tetrahedra. 52329 points are inserted. Removing slivers. 3181 slivers are removed. 87 sliver(s) survived. 17 points are inserted. Total 137489 points are inserted. Quality seconds: 98.17 Jettisoning redundants points. Writing crystal03_cut.d_cut.1.node. Writing crystal03_cut.d_cut.1.ele. Writing crystal03_cut.d_cut.1.face. Output seconds: 1.86 Total running seconds: 107.91 Statistics: Input points: 11706 Input facets: 26399 Input holes: 0 Input regions: 0 Mesh points: 159931 Mesh tetrahedra: 709938 Mesh faces: 1507632 Mesh subfaces: 261850 Mesh subsegments: 118591 Mesh quality statistics: Smallest volume: 3.546e-29 | Largest volume: 1.0562e-05 Shortest edge: 4.732e-10 | Longest edge: 0.064647 Smallest dihedral: 7.0331e-05 | Largest dihedral: 179.9430 Radius-edge ratio histogram: < 0.707 : 5897 | 1.6 - 1.8 : 53539 0.707 - 1 : 182032 | 1.8 - 2 : 28981 1 - 1.1 : 81138 | 2 - 2.5 : 20617 1.1 - 1.2 : 76580 | 2.5 - 3 : 11043 1.2 - 1.4 : 129627 | 3 - 10 : 25776 1.4 - 1.6 : 89128 | 10 - : 5580 (A tetrahedron's radius-edge ratio is its radius of circumsphere divided by its shortest edge length) Aspect ratio histogram: 1.1547 - 1.5 : 0 | 15 - 25 : 15819 1.5 - 2 : 0 | 25 - 50 : 5901 2 - 2.5 : 9 | 50 - 100 : 1696 2.5 - 3 : 13621 | 100 - 300 : 799 3 - 4 : 155255 | 300 - 1000 : 154 4 - 6 : 350612 | 1000 - 10000 : 23 6 - 10 : 135883 | 10000 - 100000 : 15 10 - 15 : 30130 | 100000 - : 21 (A tetrahedron's aspect ratio is its longest edge length divided by the diameter of its inscribed sphere) Dihedral Angle histogram: 0 - 10 degrees: 28391 | 90 - 100 degrees: 131439 10 - 20 degrees: 77962 | 100 - 110 degrees: 159962 20 - 30 degrees: 168328 | 110 - 120 degrees: 136148 30 - 40 degrees: 196923 | 120 - 130 degrees: 88043 40 - 50 degrees: 152600 | 130 - 140 degrees: 54006 50 - 60 degrees: 76832 | 140 - 150 degrees: 33984 60 - 70 degrees: 8901 | 150 - 160 degrees: 21704 70 - 80 degrees: 4324 | 160 - 170 degrees: 12771 80 - 90 degrees: 66164 | 170 - 180 degrees: 1394

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Hang Si