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-   -   Could CFX-post output turbulence intensity? (https://www.cfd-online.com/Forums/cfx/112129-could-cfx-post-output-turbulence-intensity.html)

Anna Tian January 22, 2013 13:22

Could CFX-post output turbulence intensity?
 
Hi,

May I ask could CFX-post output turbulence intensity directly?(I didn't find that output variable option.) Or I have to compute it manually by myself?

Thank you.

siw January 23, 2013 02:18

I have not found it there myself so I made an expression using the turbulent kinetic energy and the mean velocity, see the wiki page for the equations:

http://www.cfd-online.com/Wiki/Turbulence_intensity

evcelica January 24, 2013 16:20

I believe that "mean velocity" should be the local mean velocity, or just the local velocity for steady state, not the global mean velocity.

Anna Tian January 26, 2013 15:03

Quote:

Originally Posted by evcelica (Post 403881)
I believe that "mean velocity" should be the local mean velocity, or just the local velocity for steady state, not the global mean velocity.

But could CFX post output that?


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