[Commercial meshers] 3d Star CCM+ mesh to OpenFOAM 2d mesh

fshak92 · December 17, 2012, 19:58

I'm trying to do a 2d simulation in OpenFOAM .
The geometry and meshing should be done in star ccm+ and then converted to OpenFOAM by ccm26ToFoam.
If i use 3d mesh in star ccm, then i cannot have just one cell in "Z" direction.Therefore it cannot be simulated 2d in OpenFOAM.

And if i convert the mesh in star ccm to 2d mesh, then it cannot be converted to OpenFOAM due to lack of any cell in "Z" direction.

I would appreciate if anyone has idea.

Thank you in advance.

wyldckat · December 24, 2012, 12:55

Greetings omid88,

Export as 3D and then do the same trick as already done with meshes that are generated with snappyHexMesh:

Quote:

Originally Posted by http://openfoamwiki.net/index.php/SnappyHexMesh#Generate_2D_meshes

Here at the wiki: Main_ContribExamples/2DsHM
In the tutorial incompressible/pimpleDyMFoam/wingMotion/wingMotion_snappyHexMesh

Best regards,
Bruno

fshak92 · January 12, 2013, 11:39

Thank you for the reply.
Actually i solved the problem in another way,same as your suggestion.
I exported it in 2d format,and then used extrude2dMesh to make it acceptable for OpenFOAM.

willwwj · May 21, 2016, 10:06

Quote:

Originally Posted by fshak92

Thank you for the reply.
Actually i solved the problem in another way,same as your suggestion.
I exported it in 2d format,and then used extrude2dMesh to make it acceptable for OpenFOAM.

Hi
I am working on the same things as you. I am going to run a simulation about a 2D airfoil in star ccm. And now I want to run the simulation in Openfoam.

Could you please help me with the extrude2dMesh? I do not know what it is.

December 17, 2012, 19:58	3d Star CCM+ mesh to OpenFOAM 2d mesh	#1
fshak92 Senior Member Join Date: Dec 2011 Posts: 121 Rep Power: 14	I'm trying to do a 2d simulation in OpenFOAM . The geometry and meshing should be done in star ccm+ and then converted to OpenFOAM by ccm26ToFoam. If i use 3d mesh in star ccm, then i cannot have just one cell in "Z" direction.Therefore it cannot be simulated 2d in OpenFOAM. And if i convert the mesh in star ccm to 2d mesh, then it cannot be converted to OpenFOAM due to lack of any cell in "Z" direction. I would appreciate if anyone has idea. Thank you in advance.

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January 12, 2013, 11:39		#3
fshak92 Senior Member Join Date: Dec 2011 Posts: 121 Rep Power: 14	Thank you for the reply. Actually i solved the problem in another way,same as your suggestion. I exported it in 2d format,and then used extrude2dMesh to make it acceptable for OpenFOAM.