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[Commercial meshers] failed checkMesh after converting from .msh: non closed cells

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Old   February 2, 2012, 04:43
Default failed checkMesh after converting from .msh: non closed cells
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Pei-Ying Hsieh
Join Date: Mar 2009
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HI,

I converted a .msh mesh using fluent3DMeshToFoam. When I did checkMesh, it failed with one error. I am wondering if someone can explain what might be wrong. Thanks!

Pei
----------------------------
*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.1.x-e8ca07322e45
Exec : checkMesh -constant
Date : Feb 02 2012
Time : 04:26:05
Host : "huwei"
PID : 6376
Case : /home/phsieh/OpenFOAM/phsieh-2.1.x/run/XPDuctReagentCompartmentTED-temp
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 = constant

Time = constant

Mesh stats
points: 1584089
faces: 4490900
internal faces: 4370002
cells: 1453455
boundary patches: 19
point zones: 0
face zones: 10
cell zones: 5

Overall number of cells of each type:
hexahedra: 1392112
prisms: 10097
wedges: 0
pyramids: 3026
tet wedges: 0
tetrahedra: 2358
polyhedra: 45862

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
reagentboxwalls-coldfluiddomain-coldsink0 0 ok (empty)
reagentboxwalls-coldfluiddomain31793 33362 ok (non-closed singly connected)
reagentboxwalls-bottomplate-coldfluiddomain0 0 ok (empty)
reagentboxwalls-coldfluiddomain-intfan0 0 ok (empty)
reagentboxwalls-coldfluiddomain-gasket0 0 ok (empty)
reagentboxwalls-coldfluiddomain.10 0 ok (empty)
reagentboxwalls-bottomplate72221 73391 ok (non-closed singly connected)
reagentboxwalls-bottomplate-coldsink0 0 ok (empty)
reagentboxwalls-bottomplate-gasket0 0 ok (empty)
reagentboxwalls-bottomplate-intfan0 0 ok (empty)
reagentboxwalls-coldsink12233 13258 ok (non-closed singly connected)
reagentboxwalls-coldsink-gasket0 0 ok (empty)
reagentboxwalls-intfan3227 3448 ok (non-closed singly connected)
tec-aacoldside 240 284 ok (non-closed singly connected)
tec-abcoldside 240 284 ok (non-closed singly connected)
tec-bacoldside 234 269 ok (non-closed singly connected)
tec-bbcoldside 230 264 ok (non-closed singly connected)
tec-cacoldside 240 284 ok (non-closed singly connected)
tec-cbcoldside 240 284 ok (non-closed singly connected)

Checking geometry...
Overall domain bounding box (0.01905 0.0011176 0.00339) (0.59944 0.174752 0.23876)
Mesh (non-empty, non-wedge) directions (1 1 1)
Mesh (non-empty) directions (1 1 1)
Boundary openness (-8.124018e-12 -3.083973e-10 1.897114e-10) OK.
***Open cells found, max cell openness: 1.975231e-05, number of open cells 327
<<Writing 327 non closed cells to set nonClosedCells
Minumum face area = 2.76708e-08. Maximum face area = 0.0003448002. Face area magnitudes OK.
Min volume = 6.216637e-12. Max volume = 5.605517e-06. Total volume = 0.02017582. Cell volumes OK.
Mesh non-orthogonality Max: 69.84655 average: 6.289126
Non-orthogonality check OK.
Face pyramids OK.
Max skewness = 1.21916 OK.
Coupled point location match (average 0) OK.

Failed 1 mesh checks.

End
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