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-   -   rotating disk symmetric grid, help please (http://www.cfd-online.com/Forums/fluent/81745-rotating-disk-symmetric-grid-help-please.html)

bene November 5, 2010 08:09

rotating disk symmetric grid, help please
 
Hi all,

I'm modeling a rotating disk and I would like to make a symmetric grid to save time for the calculations.
I tried to draw only a quarter of the disk, projecting it over two simmetry axes; I noticed that there are problems with the rotation because when I expand my quarter to see all the disk the directions of the rotation in each quarter are opposite.

How can I do to garantee the continuity of the disk rotation in the symmetric case?
Is it possible to use the symmetry in this case?

Thank you

Bene


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