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-   -   Symmetry plane help! (with schematic) (http://www.cfd-online.com/Forums/cd-adapco/56310-symmetry-plane-help-schematic.html)

Nate October 10, 2007 12:32

Symmetry plane help! (with schematic)
 
OK I am trying to define a symmetry plane in Star-CCM+ that has some negative geometry lying in it. How would I go about selecting the symmetry plane if the lines defining that plane are discontinuous due to the negative volume? Attached is a (very) simplified schematic of what I am trying to achieve here. Also note that there is a positive volume cylinder in my model that has an inlet BC. Not sure if that makes a difference, I don't think it would as the defined symmetry plane shouldn't have a problem with it.

Thanks in advance! John

http://img181.imageshack.us/img181/6650/symmetryra9.jpg

Aeron October 11, 2007 10:46

Re: Symmetry plane help! (with schematic)
 
Split face by angle. Make sure angle is very low so that the internal 1/2 cylinder gets defined by split.


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