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Problem in IMPORT of ICEM input file in FLUENT

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Old   July 12, 2009, 02:56
Default Problem in IMPORT of ICEM input file in FLUENT
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chandra sen vikram
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Hi Every one,

I am analysing a pump performance in CFD. I did it's meshing in ICEM CFD.And applied boundary condition .I am taking only 60 degree segment and applying periodicity.now after applying boundary condition in ICEM boco file is generated along with .msh file.

when i import it into fluent i get following error:--

Reading "C:\Users\ur's\Documents\Ansys\assembly1.msh". ..
322287 nodes.
232231 mixed cells, zone 4.
887727 tetrahedral cells, zone 2.
60923 tetrahedral cells, zone 3.
56392 hexahedral cells, zone 1.
475688 mixed interior faces, zone 47.
1728028 triangular interior faces, zone 48.
107686 triangular interior faces, zone 49.
163550 quadrilateral interior faces, zone 50.
Warning: Invalid face type 1. Skipping.
Warning: Invalid face type 1. Skipping.
1790 triangular wall faces, zone 53.
1064 quadrilateral pressure-inlet faces, zone 54.
912 quadrilateral pressure-inlet faces, zone 55.
1102 quadrilateral wall faces, zone 56.
1102 quadrilateral wall faces, zone 57.
1064 quadrilateral interface faces, zone 58.
1624 quadrilateral periodic faces, zone 59.
1064 quadrilateral wall faces, zone 60.
1064 quadrilateral wall faces, zone 61.
912 quadrilateral interface faces, zone 62.
1344 quadrilateral periodic faces, zone 63.
549 triangular interface faces, zone 64.
839 triangular interface faces, zone 65.
34955 triangular wall faces, zone 66.
10595 triangular wall faces, zone 67.
1220 triangular interface faces, zone 68.
12963 triangular wall faces, zone 69.
12975 triangular wall faces, zone 70.
792 mixed interface faces, zone 71.
2187 triangular wall faces, zone 72.
784 mixed pressure-outlet faces, zone 73.
1377 mixed periodic faces, zone 74.
2493 triangular periodic faces, zone 75.
20034 triangular periodic faces, zone 76.
19454 triangular wall faces, zone 77.
Warning: Invalid face type 1. Skipping.
28880 mixed wall faces, zone 79.

Building...
grid,
Note: Separating wall zone 69 into zones 69 and 5.
rotor_tip_shroud -> rotor_tip_shroud (69) and rotor_tip_shroud:005 (5)
Warning: Inappropriate zone type (periodic) for one-sided face zone 59.
Changing to wall.
Warning: Inappropriate zone type (periodic) for one-sided face zone 63.
Changing to wall.
Warning: Inappropriate zone type (periodic) for one-sided face zone 74.
Changing to wall.
Warning: Inappropriate zone type (periodic) for one-sided face zone 75.
Changing to wall.
Warning: Inappropriate zone type (periodic) for one-sided face zone 76.
Changing to wall.
Error:
FLUENT received fatal signal (ACCESS_VIOLATION)
1. Note exact events leading to error.
2. Save case/data under new name.
3. Exit program and restart to continue.
4. Report error to your distributor.
Error Object: ()


also the surface whicjh i have set periodic in icem ,in fluent its not showing in boundary condition and there is no any option to change it.

Please suggest if boco file is also to be imported in fluent.

I am working on first problem in cfd .so currently have lots of doubt.Please reply soon.

Thanks in advance
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Old   September 8, 2009, 15:10
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chandra sen vikram
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Please Reply Someone...I am still waiting for help
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Old   September 9, 2009, 01:08
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Hi,

I think that this may be due to periodicity is not assigned in ICEM CFD properly.

Before you export the mesh to fluent, did you tried " Edit mesh --> check mesh" option for periodic problems? It is not enabled by default. you should enable before doing check mesh.

Also Did you checked any error messages in ICEM CFD log window while exporting mesh to *.msh file.

If you did all these things, then you can try this. Go to "Edit mesh-->repair mesh-->make periodic" to correct the periodicity errors.

Hope this will help U
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