# Creating Volume from Scratch in DesignModeler

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 May 11, 2010, 14:16 Creating Volume from Scratch in DesignModeler #1 Senior Member   Join Date: Feb 2010 Posts: 145 Rep Power: 10 I am trying to create my fluid volume. It is relatively simple, -- 4 rectangular impeller blades in a cylindrical cavity with a shaft in the middle. I've created the geometry with extrusions and slices. I do not know whether I've actually created any volumes or if I have just created a bunch of surfaces. I've suppressed (what I think are) the volumes associated with the solid parts (impeller blades and shaft). When I go to mesh, the entire volume is meshed. It seems that in suppressing the volumes, I've only removed some of the boundaries of these solid volumes. What additional steps do I need to complete? Thanks for any information.

 May 11, 2010, 18:23 #2 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 13,991 Rep Power: 107 Have you done the workbench tutorials? You should know this if you have done the tutorials.

 May 12, 2010, 06:54 #3 Senior Member   JSM Join Date: Mar 2009 Location: India Posts: 168 Rep Power: 13 Hi, I think that you have some confusion with solid and fluid volume. The easiest procedure is 1. Make solid parts (rotor with shaft). I think that you almost done this. 2. Make another cylindrical volume around this solid parts 3. Just do boolean operation to subtract the solid parts from cylindrical volume. Cylindrical volume is your fluid domain for the analysis. Hope this will help U with regards, JSM __________________ With regards, JSM

 August 26, 2010, 15:04 ANSYS DesignModeler, Surfaces -> Solid? #5 New Member   Join Date: Jul 2009 Posts: 3 Rep Power: 10 In ANSYS DesignModeler, can we create a solid (volume + surface) from several surfaces? For example, if I create 6 squares, can I create a cube using those surfaces? I was looking for something like "Solids from Surfaces" under "Concept", but apparently there is nothing like that... This must be one of the easiest things to do on ICEM CFD, but I just can't find the way to do this on DesignModeler. Of course, I'm creating more complicated geometries. malay_555 and a.apostoli like this.

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