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November 30, 2010, 11:52 |
Failed 1 Mesh checks !! ?
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#1 |
Senior Member
Join Date: Sep 2010
Posts: 226
Rep Power: 17 |
Hi,
i am doing a wedge type mesh in blockMesh of a couette cell, angle 3°. i attached the file "blockMeshDict.txt", can anyone check Pleaaase? note : first you should remove the ".txt" extension. thanks I have always this error: // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create polyMesh for time = 0 Time = 0 Mesh stats points: 242 internal points: 0 faces: 420 internal faces: 180 cells: 100 boundary patches: 6 point zones: 0 face zones: 0 cell zones: 0 Overall number of cells of each type: hexahedra: 100 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 0 polyhedra: 0 Checking topology... Boundary definition 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 front 10 22 ok (non-closed singly connected) back 10 22 ok (non-closed singly connected) in 10 22 ok (non-closed singly connected) out 10 22 ok (non-closed singly connected) up 100 121 ok (non-closed singly connected) down 100 121 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (0.0139952 -0.000628247 0) (0.0239918 0.000628247 0.03) Mesh (non-empty, non-wedge) directions (1 0 1) Mesh (non-empty) directions (1 1 1) Wedge front with angle 1.5 degrees Wedge back with angle 1.5 degrees ***Number of edges not aligned with or perpendicular to non-empty directions: 160 <<Writing 176 points on non-aligned edges to set nonAlignedEdges Boundary openness (-2.80445e-18 0 -3.89507e-20) OK. Max cell openness = 1.28405e-16 OK. Max aspect ratio = 39.3238 OK. Minumum face area = 7.58871e-08. Maximum face area = 3e-05. Face area magnitudes OK. Min volume = 2.27661e-09. Max volume = 3.68968e-09. Total volume = 2.98315e-07. Cell volumes OK. Mesh non-orthogonality Max: 1.35006 average: 0.81938 Non-orthogonality check OK. Face pyramids OK. Max skewness = 0.0589183 OK. Failed 1 mesh checks. End |
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December 5, 2010, 23:22 |
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#2 |
New Member
Sunny Karnani
Join Date: Apr 2010
Posts: 22
Rep Power: 16 |
Hi.
I've been running in to a similar issue and I'm unsure how to resolve it. Which version of OpenFOAM are you using? When I checkMesh my mesh, I get the error in 1.6 but no error in 1.5. I'm curious if anyone knows why this happens. Sunny |
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December 6, 2010, 07:20 |
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#3 |
Senior Member
Join Date: Sep 2010
Posts: 226
Rep Power: 17 |
Hi,
I am using OpenFoam 1.7.1 |
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February 24, 2011, 18:39 |
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#4 |
Senior Member
Join Date: Mar 2009
Posts: 225
Rep Power: 18 |
TIP: When creating a mesh, frontAndBack patches cannot be set up initially as empty ones. That's the reason of this error. Initially set it up to "patch", then you can redefine it in "polyMesh/boundary" file to "empty".
Hope it solves your problem. Best, K |
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