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July 23, 2013, 13:39 |
mirror Mesh
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#1 |
Member
Luca
Join Date: Mar 2013
Posts: 59
Rep Power: 13 |
Dear all
I am trying to mirror a mesh using the utility mirrorMesh. I have checked the mesh with paraview and it seems to be good but when I run checkMesh it gives me 4 errors: ***High aspect ratio cells found, Max aspect ratio: 2.28843e+194, number of cells 1732 (in the original the Max value was 598.682 ) ***Number of non-orthogonality errors: 5206. ***Error in face pyramids: 10537 faces are incorrectly oriented. ***Max skewness = 5.73595, 37 highly skew faces detected which may impair the quality of the results It is quite strange because, as I wrote before, it seems that everything is fine . I have attached the two checkMesh outputs than you best regards Luca ORIGINAL Mesh stats points: 14664271 faces: 43501627 internal faces: 43012943 cells: 14419095 boundary patches: 10 point zones: 0 face zones: 1 cell zones: 1 Overall number of cells of each type: hexahedra: 14419095 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 0 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 GROUND 78105 78848 ok (non-closed singly connected) SIDE 167895 168784 ok (non-closed singly connected) SYM 104885 105965 ok (non-closed singly connected) OUT 18542 18816 ok (non-closed singly connected) IN 18542 18816 ok (non-closed singly connected) BASE 10682 10834 ok (non-closed singly connected) BLUFF_BODY 62128 62574 ok (non-closed singly connected) BOTTOM 8166 8352 ok (non-closed singly connected) INTERNAL_SIDE_PLATE 5879 6039 ok (non-closed singly connected) RAMP 13860 14100 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (-19.725 -0.05 -1.75) (27.615 2.38 1.40971e-12) Mesh (non-empty, non-wedge) directions (1 1 1) Mesh (non-empty) directions (1 1 1) Boundary openness (7.5774e-16 1.72823e-15 1.39382e-14) OK. Max cell openness = 8.33012e-16 OK. Max aspect ratio = 598.682 OK. Minumum face area = 2.09408e-07. Maximum face area = 0.14451. Face area magnitudes OK. Min volume = 2.24371e-10. Max volume = 0.0112077. Total volume = 201.259. Cell volumes OK. Mesh non-orthogonality Max: 78.6152 average: 18.5406 *Number of severely non-orthogonal faces: 71521. Non-orthogonality check OK. <<Writing 71521 non-orthogonal faces to set nonOrthoFaces Face pyramids OK. Max skewness = 2.62891 OK. Coupled point location match (average 0) OK. Mesh OK. MIRROR Mesh stats points: 29220760 faces: 86898369 internal faces: 86130771 cells: 28838190 boundary patches: 9 point zones: 0 face zones: 0 cell zones: 0 Overall number of cells of each type: hexahedra: 28838190 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 0 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 GROUND 156210 157080 ok (non-closed singly connected) SIDE 335790 336952 ok (non-closed singly connected) OUT 37084 37485 ok (non-closed singly connected) IN 37084 37485 ok (non-closed singly connected) BASE 21364 21619 ok (non-closed singly connected) BLUFF_BODY 124256 124779 ok (non-closed singly connected) BOTTOM 16332 16621 ok (non-closed singly connected) INTERNAL_SIDE_PLATE 11758 12078 ok (non-closed singly connected) RAMP 27720 28059 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (-19.725 -0.05 -1.75) (27.615 2.38 1.75) Mesh (non-empty, non-wedge) directions (1 1 1) Mesh (non-empty) directions (1 1 1) Boundary openness (-9.19008e-16 -8.32454e-15 1.31783e-14) OK. ***High aspect ratio cells found, Max aspect ratio: 2.28843e+194, number of cells 1732 <<Writing 1732 cells with high aspect ratio to set highAspectRatioCells Minumum face area = 1.00424e-07. Maximum face area = 0.14451. Face area magnitudes OK. Min volume = 2e-300. Max volume = 0.0112077. Total volume = 402.517. Cell volumes OK. Mesh non-orthogonality Max: 179.521 average: 18.5471 *Number of severely non-orthogonal faces: 143135. ***Number of non-orthogonality errors: 5206. <<Writing 148341 non-orthogonal faces to set nonOrthoFaces ***Error in face pyramids: 10537 faces are incorrectly oriented. <<Writing 7063 faces with incorrect orientation to set wrongOrientedFaces ***Max skewness = 5.73595, 37 highly skew faces detected which may impair the quality of the results <<Writing 37 skew faces to set skewFaces Coupled point location match (average 0) OK. Failed 4 mesh checks. |
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