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-   -   [DesignModeler] Mohammad Hashem (http://www.cfd-online.com/Forums/ansys-meshing/116149-mohammad-hashem.html)

hashemmohammad April 14, 2013 03:48

Mohammad Hashem
 
1 Attachment(s)
Hello Guys
I am new to this forum. I started using ansys 2 months ago and till now I don't know how to choose the interior of a body. Attached is a picture that explains my problem. I have drawn a small sphere and frozen it. Then I drew a big box around it and subtracted them from each other without preserving the sphere. Now I want in fluent to define the interior surface or the sphere as a heat source. How can I do this??
Thanks in advance

diamondx April 14, 2013 10:11

on top, you can filter the selction to points, edges, surfaces, and bodies. you have to toggle on the surface selection. then select the surface of the select. right button click -> rename selection, give it a name first: like WALL_SPHERE. once this will be meshed, it will appear in fluent as a boundary condition

hashemmohammad April 14, 2013 17:14

Thanks Diamondx but I didn't manage to solve the problem. I tried what you have said but I couldn't locate the interior sphere surface?? What can I do?

Hayder Mohammed April 15, 2013 11:10

hello mr mohammed,
go to the mesh ,before you make a mesh , make a right click on any face and then select hide face ,then you can select the ball and make a named selection for it ...by this way you can select and define any part on your geometry
best regards
Hayder Mohammed
M.SC in CFD

diamondx April 15, 2013 11:30

share your project if you don't mind...

hashemmohammad April 15, 2013 19:25

Thanks a lot Guys Haydar and Diamondx. I have located the sphere by doing what diamondx has initially implied and used the planes that appear down-left to choose the hidden face.
Thanks again


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