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Forum: CFX April 17, 2015, 05:41
Replies: 15
Views: 6,332
Posted By ghorrocks
If you have introduced a source term and it is...

If you have introduced a source term and it is not converging properly then you should use a source term coefficient. Correctly implemented that can make the difference between poor convergence and...
Forum: CFX September 15, 2011, 18:55
Replies: 15
Views: 6,332
Posted By ghorrocks
My argument is purely dimensional, and your...

My argument is purely dimensional, and your points are entirely valid also. So I guess whether you think the dimensional argument is convincing will determine which way you think on this issue.
Forum: CFX September 14, 2011, 18:52
Replies: 15
Views: 6,332
Posted By ghorrocks
Density * velocity ^2, ie pressure? I cannot see...

Density * velocity ^2, ie pressure? I cannot see how this can be regarded as a transported variable.



My argument is purely dimensional. How the pressure is derived is not important.



No...
Forum: CFX September 12, 2011, 19:56
Replies: 15
Views: 6,332
Posted By ghorrocks
What physical basis do you have for this...

What physical basis do you have for this statement? Taking a mass flow average of ANY type of pressure is meaningless. The area integral of pressure is force, which is physically meaningful.
...
Forum: CFX August 29, 2011, 18:47
Replies: 15
Views: 6,332
Posted By ghorrocks
Firstly, pressure rise is best done on an area...

Firstly, pressure rise is best done on an area average basis rather than mass flow ave. Mass flow ave is meaningless for pressure.



Yes. You can either define your own CEL expression to work...
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