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-   -   How to model a full 3-D cylinder in cfx44? (http://www.cfd-online.com/Forums/cfx/19029-how-model-full-3-d-cylinder-cfx44.html)

 S. Ding June 25, 2002 22:35

How to model a full 3-D cylinder in cfx44?

Users, How to build the geo model for full 3-D cylinder? In build I only build the 2-d model and 3-d model but only sector not full cylinder with cylinder coordinate system. if someone know, please tell me without hesitation!

thank a lot. S.Ding

 cfd guy June 26, 2002 11:32

Re: How to model a full 3-D cylinder in cfx44?

Hi,
As far as I know you can't do it the way you're intending. If you want to solve a 3-D grid in cylindrical coordinates you MUST have an axis at y = 0 (In CFX-4 -> Cartesian = [x,y,z] and Cylindrical = [axial, radial, tangential]), i.e. r=0. Thus, you'll have two more symmetry planes in both boundaries of tangential direction. But if you still want to solve the full cylinder, I believe, you must use a cartesian coordinate system.
Regards, cfd guy

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