Dear GMSH developers, I used to be able to create quad-dominated meshes, but it seems that something has changed and I can no longer get the 3D recombination algorithm to work.
I've attached my test case, which is a simple cube in STEP file form. Below is my GMSH script file: Mesh.CharacteristicLengthFactor=0.5; Mesh.CharacteristicLengthMax = 0.5; Merge "UnitCube.stp"; Mesh.Algorithm = 8; Mesh.Algorithm3D = 8; Mesh.RecombineAll = 1; Mesh.Recombine3DAll = 1; // Mesh.RecombinationAlgorithm = 1; I run gmsh with: gmsh -3 Cube.geo And get the following output: Info : 866 points 4131 edges and 1728 faces in the initial mesh Info : Found region 1 Info : 0 points created - Worst tet radius is 4.24264 (PTS removed 0 0) Info : 3D point insertion terminated (1132 points created): Info : - 1 Delaunay cavities modified for star shapeness Info : - 0 points could not be inserted Info : - 4123 tetrahedra created in 0.024102 sec. (171064 tets/sec.) Info : RECOMBINATION timing: Info : --- CUMULATIVE TIME RECOMBINATION : 0 s. Info : RECOMBINATION CUMULATIVE STATISTICS: Info : .... Percentage of hexahedra (#) : -nan Info : .... Percentage of hexahedra (Vol) : -nan Info : Done meshing 3D (0.214348 s) If I just create a 2D surface mesh, everything works fine. Is this a regression, or am I doing something wrong here? Thanks, John
RecombinationFailure.tar.gz
Description: GNU Zip compressed data
_______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
