Blockmesh problem about skewness
Hi everyone~~
I wrote a cylinder case, and used checkmesh to check it ,it is ok~! But, after I refined it, and the terminal show as below: --> FOAM Warning : From function primitiveMesh::checkFaceSkewness(const bool report, labelHashSet* setPtr) const in file meshes/primitiveMesh/primitiveMeshCheck.C at line 838 Large face skewness detected. Max skewness = 261.67262 percent. This may impair the quality of the result. 400 highly skew faces detected. Writing 400 skew faces to set skewFaces Minumum edge length = 1.0466153e-05. Maximum edge length = 4.1864613e-05. All angles in faces are convex or less than 10 degrees concave. Face flatness (1 = flat, 0 = butterfly) : average = 1 min = 1 All faces are flat in that the ratio between projected and actual area is > 0.8 Geometry check done. Number of cells by type: hexahedra: 123750 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 0 polyhedra: 0 Number of regions: 1 (OK). Failed 1 mesh checks. Then I try to calculate this case, but, the deltaT become to 0 soon. How can I refine the mesh ? Best regards~~! Bobby 12.2 |
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