Exporting a mesh to Elmer CFD

bitacovir · August 3, 2012, 07:45

Hi, everybody.

I have a problem trying to export a mesh 2D from NGSolve to Elmer (CFD software).
At the beginning I tried to open the geometry (step file) with Elmer to generate the mesh. However, it has problems to import 2D geometries and the mesh is generated with defects. Then, I tried with Ngsolve which could open the stp file and generate a good mesh, but now I can't export the file to one format to work with Elmer. Ngsolve doesn't export to Elmer format. I tried to export with the inp format of Abaqus, but the software crush.
I tried to export into a msh format but Elmer fail to open it.
Some suggestion?

bitacovir · August 3, 2012, 23:57

I going to ask in a different way.
Wish program do I need to made a 2D mesh to run in a CFD software?

praveen · August 4, 2012, 07:29

Have you tried gmsh ?

bitacovir · August 5, 2012, 23:31

Thanks I will try it.

Rami · August 15, 2012, 08:40

If you have access to ANSYS (at least older versions running APDL), there are Elmer Macros to directly export the mesh to ELMER.

bitacovir · August 16, 2012, 07:01

Quote:

Originally Posted by Rami

If you have access to ANSYS (at least older versions running APDL), there are Elmer Macros to directly export the mesh to ELMER.

Thanks. Finally, I make the geometry in iges format, then I export the mesh in msh format from NGSolve and with Elmer I can open it without problem.

thanks.

August 3, 2012, 07:45	Exporting a mesh to Elmer CFD	#1
bitacovir New Member Join Date: Aug 2012 Posts: 17 Rep Power: 14	Hi, everybody. I have a problem trying to export a mesh 2D from NGSolve to Elmer (CFD software). At the beginning I tried to open the geometry (step file) with Elmer to generate the mesh. However, it has problems to import 2D geometries and the mesh is generated with defects. Then, I tried with Ngsolve which could open the stp file and generate a good mesh, but now I can't export the file to one format to work with Elmer. Ngsolve doesn't export to Elmer format. I tried to export with the inp format of Abaqus, but the software crush. I tried to export into a msh format but Elmer fail to open it. Some suggestion?

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August 3, 2012, 23:57		#2
bitacovir New Member Join Date: Aug 2012 Posts: 17 Rep Power: 14	I going to ask in a different way. Wish program do I need to made a 2D mesh to run in a CFD software?

August 4, 2012, 07:29		#3
praveen Super Moderator Praveen. C Join Date: Mar 2009 Location: Bangalore Posts: 343 Blog Entries: 6 Rep Power: 18	Have you tried gmsh ?

August 5, 2012, 23:31		#4
bitacovir New Member Join Date: Aug 2012 Posts: 17 Rep Power: 14	Thanks I will try it.

August 15, 2012, 08:40		#5
Rami Senior Member Rami Ben-Zvi Join Date: Mar 2009 Posts: 155 Rep Power: 17	If you have access to ANSYS (at least older versions running APDL), there are Elmer Macros to directly export the mesh to ELMER.