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Converting multiregions mesh from Icem CFD to OpenFoam

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Old   June 5, 2013, 10:17
Default Converting multiregions mesh from Icem CFD to OpenFoam
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Maosong Cheng
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Hi FOAMERs,

how to convert multiregions mesh from Icem CFD to OpenFoam ?

Thanks!
mscheng
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Old   June 6, 2013, 02:08
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Daniel Pielmeier
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Quote:
Originally Posted by mscheng View Post
Hi FOAMERs,

how to convert multiregions mesh from Icem CFD to OpenFoam ?

Thanks!
mscheng
Icem should be able to export the mesh to Fluent format. Afterwards you can use fluent3DMeshToFoam. It handles multiple regions well. If you prefix the internal faces with inte_* they are properly recognized as faceZones. The same goes for fluid_* for fluids, solid_* for solids which creates the cellZones. wall_*, inflow_* outflow_* creates the appropriate patches.
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Old   June 6, 2013, 02:16
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Originally Posted by billie View Post
Icem should be able to export the mesh to Fluent format. Afterwards you can use fluent3DMeshToFoam. It handles multiple regions well. If you prefix the internal faces with inte_* they are properly recognized as faceZones. The same goes for fluid_* for fluids, solid_* for solids which creates the cellZones. wall_*, inflow_* outflow_* creates the appropriate patches.
Hi billie,

can you show me detailed steps to do it?
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Old   June 6, 2013, 03:03
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Originally Posted by mscheng View Post
Hi billie,

can you show me detailed steps to do it?
I think I already told you what to do:
Use the naming convention I mentioned above in your Icem project.
Export the mesh to fluent fomat
Run fluent3dMeshToFoam on the exported mesh.

Probably there will be errors as fluent3dMeshToFoam requires some OpenFoam project files like controlDict in your system folder. Maybe there are others.

The steps required are also dependent on what you are up to with your mesh. Check if there are tutorials matching your task and try to run them first. Afterwards adapt the tutorial to your case.
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Old   June 6, 2013, 03:28
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Originally Posted by billie View Post
I think I already told you what to do:
Use the naming convention I mentioned above in your Icem project.
Export the mesh to fluent fomat
Run fluent3dMeshToFoam on the exported mesh.

Probably there will be errors as fluent3dMeshToFoam requires some OpenFoam project files like controlDict in your system folder. Maybe there are others.

The steps required are also dependent on what you are up to with your mesh. Check if there are tutorials matching your task and try to run them first. Afterwards adapt the tutorial to your case.
Hi, billie,
According to your method, I have tried it, but it only generate a polymesh folder. I need a polymesh for fluid and one for solid.
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Old   June 6, 2013, 03:43
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Originally Posted by mscheng View Post
Hi, billie,
According to your method, I have tried it, but it only generate a polymesh folder. I need a polymesh for fluid and one for solid.
Take a look at the splitMeshRegions utility.
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