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Setting up ANSYS geometry "fluid volume' for subsequent meshing,..

Setting up ANSYS geometry "fluid volume' for subsequent meshing,..

Setting up ANSYS geometry "fluid volume' for subsequent meshing,..

(OP)
I have used CATIA to create a nozzle whose shape equations I know.
I did this by defining working supports and creating the curve{shape} of the nozzle by a law{my equations}.
I then created the surfaces of revolution about the respective working support.
I then used the thick volume to make the walls of the nozzle 1mm thick.

This was then imported into ANSYS geometry.

In order to define a 'working volume' for the fluid flow in the nozzle, I followed the video demo from ansys below(2min long):
---------------------------------------------------

B Valve – Creating A CFD Solid Using ANSYS DesignModeler
In this demonstration, we will review the process of connecting to a
parametric CAD assembly and using ANSYS DesignModeler to extract the
fluid volume to be used for a CFD study.


http://www.ansys.com/staticassets/ANSYS/staticassets/resourcelibrary/demo/32-Ball-Valve-Creating-CFD-Solid.swf

---------------------------------------------------

My problem is that I do NOT get TWO solids after using ENCLOSURE.
It is though my imported geometry does not exist, even though it is there.

What am I missing here ??????????????????
I would greatly appreciate any help here.
[I am a novice to ansys and catia, and am learning on the fly.]

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