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-   -   [ICEM] Creating volume mesh with prism elements w/given triangulated surfaces in ICEM (http://www.cfd-online.com/Forums/ansys-meshing/119905-creating-volume-mesh-prism-elements-w-given-triangulated-surfaces-icem.html)

danny261083 June 26, 2013 18:04

Creating volume mesh with prism elements w/given triangulated surfaces in ICEM
 
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Hello All,

I am attempting to create a tetrahedral volume mesh with prism elements in the b.l. region from a given set of surfaces that bound the flow domain. The surfaces have been triangulated a priori. The option to generate the prism layer is greyed out in the volume meshing window (enclosed image). I was wondering whether there might be a technique to circumvent this problem. Vis--vis would another mesh generator like T-Grid or Gambit be a better option.

Thanks

sadjad.s June 27, 2013 03:34

Answer
 
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The problem is you don't have any "Geometry" menu in your "model tree".
The normal model tree is like this:

Far June 27, 2013 05:49

therefore first generate geometry from mesh and then create parts and apply prism option.

cfd seeker July 3, 2013 13:19

when we import .msh file in ICEM(tetra mesh only), then how we can extract geometry from this file for applying prism layers? Can anybody tell me the detailed procedure please

Thanks
Regards

sadjad.s July 3, 2013 13:42

Answer
 
As Far said:
Go to Edit menu and choose Mesh->Facets.
Although using TGrid instead of ICEM for generating prism would be fun!

cfd seeker July 3, 2013 15:50

thanks alot sajdad. I will ry it and will let you know

I only know a bit about tgrid but haven't tested it even once, do tgrid offer any advantage over ICEM for prisms generation?

sadjad.s July 3, 2013 16:31

TGrid vs. ICEM
 
Because if you have .msh file, you can directly import it in TGrid and with no other modification grow the prism.
And I think TGrid prism is comparable with ICEM.(personal experience;))

danny261083 July 31, 2013 17:36

Quote:

Originally Posted by sadjad.s (Post 437638)
Because if you have .msh file, you can directly import it in TGrid and with no other modification grow the prism.
And I think TGrid prism is comparable with ICEM.(personal experience;))

Dear All,

Thanks for the suggestions. I have opted to import the surface mesh into T-Grid and generate the volume mesh with prism layers and a tetrahedral core. I am currently reading the T-Grid mesh back into ICEM to scale and setup the problem for Fluent.

Regards

Far July 31, 2013 18:16

scaling can be done directly in Tgird or Fluent.


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