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-   -   Additional Variable (Non-Dimensional) in CFX-pre (https://www.cfd-online.com/Forums/cfx/25858-additional-variable-non-dimensional-cfx-pre.html)

Farid May 23, 2008 22:56

Additional Variable (Non-Dimensional) in CFX-pre
 
Hi,

I wanna make everything(all variables) non-dimensional in CFX-Pre. I think to do this, I have to make additional variables(non-dimensional) for Momentum and Energy Equation.

Can anybody help me to do so?


CycLone May 25, 2008 22:27

Re: Additional Variable (Non-Dimensional) in CFX-p
 
Why?


Mehul May 26, 2008 06:57

Re: Additional Variable (Non-Dimensional) in CFX-p
 
Could Pls explain your problem in detail?

Rogerio Fernandes Brito May 26, 2008 07:32

Re: Additional Variable (Non-Dimensional) in CFX-p
 
Use Excel to do this!

Farid May 26, 2008 15:07

Re: Additional Variable (Non-Dimensional) in CFX-p
 
I have made the airfoil coordinates non-dimensional with respect to the chord length. So, now for flow analysis, I need to make other variables non-dimensional.

CycLone May 26, 2008 15:21

Re: Additional Variable (Non-Dimensional) in CFX-p
 
Actually, what you need to do is make the airfoil coordinates dimensional. Scale the geometry appropriately. You can then pick your fluid properties and boundary conditions to match the appropriate non-dimensional parameters (such as Reynolds number, etc.).

-CycLone


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