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-   -   creating coordinate system (http://www.cfd-online.com/Forums/fluent/27931-creating-coordinate-system.html)

Hakeem October 6, 2000 18:21

creating coordinate system
 
Hi all,

I create geometry in gambit. My geometry is so simple. It is a sphere inside a box. Could anybody of you tell me how to create a spherical coordinate with origin at the sphere centre.

Thanks

SugIn October 9, 2000 03:36

Re: creating coordinate system
 
Well, I think it can be done directly in Fluent. I have no experience using Gambit or preFBC, thats why I normally creat my geometries in Fluent. First creat a semi circle in 2D. Then extrude to 3D using manipulate-grid, 2D-3D. You must use cylindrical co-ordinates and there are some conventions about which axis is where. x-axis must be centre line or something. The box can be creatdedd using define-cells.

Kai Kang October 9, 2000 10:31

Re: creating coordinate system
 
under the TOOLS\coordinates, you can create spherical coordinates by specifying vertices, or by transformation of other coordinates...


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