[s.m]

Hi

I use the checkMesh utility:
Exec : checkMesh
Date : Mar 28 2011
Time : 16:17:31
Host : simon-VPCEB1J1E
PID : 3410
Case : /home/simon/Escritorio/mis_test/TEST-MALLA/testsnapEdge/BULB/V70_1
nProcs : 1
SigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).

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

Create polyMesh for time = 0

Time = 0

Mesh stats
points: 2253256
faces: 5925560
internal faces: 5561625
cells: 1838209
boundary patches: 7
point zones: 0
face zones: 0
cell zones: 0

Overall number of cells of each type:
hexahedra: 1691494
prisms: 0
wedges: 0
pyramids: 0
tet wedges: 0
tetrahedra: 0
polyhedra: 146715

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
zmin 8111 9075 ok (non-closed singly connected)
zmax 4489 4898 ok (non-closed singly connected)
xmin 1335 1447 ok (non-closed singly connected)
ymax 7596 7860 ok (non-closed singly connected)
ymin 900 961 ok (non-closed singly connected)
xmax 1143 1234 ok (non-closed singly connected)
bulb_GID 340361 344468 ok (non-closed singly connected)

Checking geometry...
Overall domain bounding box (-12.1 -1 -2.1) (-8.4 4 0)
Mesh (non-empty, non-wedge) directions (1 1 1)
Mesh (non-empty) directions (1 1 1)
Boundary openness (-2.6271e-16 -1.12183e-15 1.70118e-14) OK.
Max cell openness = 2.8861e-16 OK.
Max aspect ratio = 7.84759 OK.
Minumum face area = 5.67861e-07. Maximum face area = 0.0205671. Face area magnitudes OK.
Min volume = 6.11961e-09. Max volume = 0.0014397. Total volume = 38.1685. Cell volumes OK.
Mesh non-orthogonality Max: 62.5983 average: 10.3867
Non-orthogonality check OK.
Face pyramids OK.
***Max skewness = 6.2148, 36 highly skew faces detected which may impair the quality of the results
<<Writing 36 skew faces to set skewFaces

Failed 1 mesh checks.

End

I would like delete or fix this mesh errors, i have studied in the forum about that "cellSet,setSet,subsetMesh" but i dont understand how should we use these utility yet,
can you help me ?
Thank you very much.

[dener]

Hi,
searching for some technics to find bad cells I found this link, I hope it helps you.
http://www.diva-portal.org/smash/get...FULLTEXT01.pdf

Regards

[s.m]

Anyone can't help me?

[JohanAdam]

Please see http://openfoamwiki.net/index.php/SetSet