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CF August 24, 2006 21:00

Source terms in local coordinate frames
 
Hi!

I have two subdomains where I need to apply momentum source terms in the tangential direction. These source terms are dependent on the radius and theta values in the respective subdomains.

I have defined two new cartesian coordinate frames and applied these coordinate frames to the subdomains. Then using CEL, I have defined the source terms which contain r and theta.

Does CFX calculate r and theta for each subdomain separately? It doesn't seem so, coz my source terms are calculated fine for one subdomain, but not for the other!

Help!

Robin August 25, 2006 10:15

Re: Source terms in local coordinate frames
 
Do you have a local coordinate system for each subdomain?

Amod Kumar August 29, 2006 02:30

Re: Source terms in local coordinate frames
 
Dear CF,

The CFX tutorial says source term = source coeff (U - Uspec, etc. Could you please guide me how to calculate source coefficient, Uspec, Vspec, and Wspec for an axial flow fan? I am modeling a fan in completelt enclosed cabin as momentum source.

Thanks a lot in advance,

Amod Kumar



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