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November 28, 2014, 18:27 |
Mesh quality
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#1 |
Member
vitor spadeto
Join Date: Nov 2014
Posts: 51
Rep Power: 11 |
Friends,
1-What do you think of my mesh? 2- there is a material showing the the range of values for a good mesh (aspect ratio, non-orthogonality, etc) Code:
Create time Create polyMesh for time = 0 Time = 0 Mesh stats points: 184326 faces: 1935851 internal faces: 1841137 cells: 944247 faces per cell: 4 boundary patches: 4 point zones: 0 face zones: 0 cell zones: 0 Overall number of cells of each type: hexahedra: 0 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 944247 polyhedra: 0 Checking topology... Boundary definition OK. Cell to face addressing OK. Point usage OK. Upper triangular ordering OK. Face vertices OK. Number of regions: 1 (OK). Checking patch topology for multiply connected surfaces... Patch Faces Points Surface topology wall 90816 45502 ok (non-closed singly connected) outlet 1234 650 ok (non-closed singly connected) inlet_host 1234 650 ok (non-closed singly connected) inlet_graft 1430 747 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (-60 -3.0061 -3.0061) (60 3.0061 44.086) Mesh (non-empty, non-wedge) directions (1 1 1) Mesh (non-empty) directions (1 1 1) Boundary openness (3.48773e-17 -1.07226e-15 4.49621e-15) OK. Max cell openness = 2.8507e-16 OK. Max aspect ratio = 5.3984 OK. Minimum face area = 0.00603209. Maximum face area = 0.2174. Face area magnitudes OK. Min volume = 0.000228923. Max volume = 0.0330785. Total volume = 4837.53. Cell volumes OK. Mesh non-orthogonality Max: 60.4102 average: 15.3248 Non-orthogonality check OK. Face pyramids OK. Max skewness = 0.780208 OK. Coupled point location match (average 0) OK. Mesh OK. --> FOAM Warning : From function polyMesh::readUpdateState polyMesh::readUpdate() in file meshes/polyMesh/polyMeshIO.C at line 207 Number of patches has changed. This may have unexpected consequences. Proceed with care. Time = 0.01 Mesh stats points: 499427 faces: 5897515 internal faces: 5802801 cells: 2925079 faces per cell: 4 boundary patches: 4 point zones: 0 face zones: 0 cell zones: 0 Overall number of cells of each type: hexahedra: 0 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 2925079 polyhedra: 0 Checking topology... Boundary definition OK. Cell to face addressing OK. Point usage OK. Upper triangular ordering OK. Face vertices OK. Number of regions: 1 (OK). Checking patch topology for multiply connected surfaces... Patch Faces Points Surface topology inlet_graft 1430 747 ok (non-closed singly connected) wall 90816 45502 ok (non-closed singly connected) outlet 1234 650 ok (non-closed singly connected) inlet_host 1234 650 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (-0.06 -0.0030061 -0.0030061) (0.06 0.0030061 0.044086) Mesh (non-empty, non-wedge) directions (1 1 1) Mesh (non-empty) directions (1 1 1) Boundary openness (-1.06013e-16 2.3066e-16 -1.30653e-15) OK. Max cell openness = 3.2622e-16 OK. Max aspect ratio = 13.8513 OK. Minimum face area = 8.94952e-10. Maximum face area = 4.02672e-07. Face area magnitudes OK. Min volume = 1.42253e-14. Max volume = 6.74264e-11. Total volume = 4.83753e-06. Cell volumes OK. Mesh non-orthogonality Max: 77.0036 average: 21.0077 *Number of severely non-orthogonal (> 70 degrees) faces: 686. Non-orthogonality check OK. <<Writing 686 non-orthogonal faces to set nonOrthoFaces Face pyramids OK. Max skewness = 1.38828 OK. Coupled point location match (average 0) OK. Mesh OK. End Best Regards, |
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