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-   -   Failed 1 mesh check (http://www.cfd-online.com/Forums/openfoam-meshing/108932-failed-1-mesh-check.html)

kont1901 November 5, 2012 09:19

Failed 1 mesh check
 
hello
I have a problem on conversion (ideasUnvToFoam) my mesh. When I make a checkMesh here it gives me the error:
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.1.1-221db2718bbb
Exec : checkMesh
Date : Nov 05 2012
Time : 07:43:32
Host : "charly-Precision-T3600"
PID : 4847
Case : /home/charly/OpenFOAM/charly-2.1.1/run/CTK_MRF/Exemple/Roue
nProcs : 1
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Disallowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create polyMesh for time = 0

Time = 0

Mesh stats
points: 725535
faces: 2061526
internal faces: 1949274
cells: 668800
boundary patches: 33
point zones: 0
face zones: 0
cell zones: 17

Overall number of cells of each type:
hexahedra: 666800
prisms: 2000
wedges: 0
pyramids: 0
tet wedges: 0
tetrahedra: 0
polyhedra: 0

Checking topology...
Boundary definition OK.
Cell to face addressing OK.
***Unused points found in the mesh, number unused by faces: 9 number unused by cells: 9
<<Writing 9 unused points to set unusedPoints
Upper triangular ordering OK.
Face vertices OK.
*Number of regions: 17
The mesh has multiple regions which are not connected by any face.
<<Writing region information to "0/cellToRegion"

Checking patch topology for multiply connected surfaces ...
Patch Faces Points Surface topology
Int_F13-F14 250 306 ok (non-closed singly connected)
Int_F14-F13 250 306 ok (non-closed singly connected)
Int_F14-E2 1000 1071 ok (non-closed singly connected)
InterfaceF1-F2 2100 2295 ok (non-closed singly connected)
Int_E2-F14 1000 1071 ok (non-closed singly connected)
Int_E2-A2 1000 1071 ok (non-closed singly connected)
Pale 10250 10812 ok (non-closed singly connected)
Periodic_re1 10000 10404 ok (non-closed singly connected)
Periodic_re2 10000 10404 ok (non-closed singly connected)
Interface_re 8000 8324 ok (non-closed singly connected)
Epaul 5376 5902 ok (non-closed singly connected)
Fond 13376 14226 ok (non-closed singly connected)
Interface_rs 2100 2193 ok (non-closed singly connected)
Periodic_rs2 6650 7089 ok (non-closed singly connected)
Periodic_rs1 6650 7089 ok (non-closed singly connected)
Inter_A1-A2 2000 2091 ok (non-closed singly connected)
InterfaceA2-A1 2150 2295 ok (non-closed singly connected)
Int_A22-A21 500 561 ok (non-closed singly connected)
Int_A22-A23 500 561 ok (non-closed singly connected)
Inter_A21-A22 500 561 ok (non-closed singly connected)
Inter_A23-A22 500 561 ok (non-closed singly connected)
Int_A23-E1 1000 1071 ok (non-closed singly connected)
Int_E1-A23 1000 1071 ok (non-closed singly connected)
Int_A21-I1 1000 1071 ok (non-closed singly connected)
Int_I1-A21 1000 1071 ok (non-closed singly connected)
Int_I2-I1 1000 1071 ok (non-closed singly connected)
Int_I1-I2 1000 1071 ok (non-closed singly connected)
Int_I2-F11 1000 1071 ok (non-closed singly connected)
Int_F11-I2 1000 1071 ok (non-closed singly connected)
Int_F12-F11 250 306 ok (non-closed singly connected)
Int_F12-F13 250 306 ok (non-closed singly connected)
Int_f13-F12 250 306 ok (non-closed singly connected)
defaultFaces 19350 20298 ok (non-closed singly connected)

Checking geometry...
Overall domain bounding box (3.32075e-24 -1.38778e-17 -0.0700636) (0.0741393 0.0397589 0.00472739)
Mesh (non-empty, non-wedge) directions (1 1 1)
Mesh (non-empty) directions (1 1 1)
Boundary openness (-1.08825e-15 -1.93319e-18 3.17206e-15) OK.
Max cell openness = 3.3561e-15 OK.
Max aspect ratio = 349.505 OK.
Minumum face area = 4.31778e-10. Maximum face area = 4.09037e-07. Face area magnitudes OK.
Min volume = 1.83206e-13. Max volume = 1.44356e-10. Total volume = 2.60163e-05. Cell volumes OK.
Mesh non-orthogonality Max: 81.8476 average: 30.4385
*Number of severely non-orthogonal faces: 41315.
Non-orthogonality check OK.
<<Writing 41315 non-orthogonal faces to set nonOrthoFaces
Face pyramids OK.
Max skewness = 3.50209 OK.
Coupled point location match (average 0) OK.

Failed 1 mesh checks.

End



please help me


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