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Search: Posts Made By: ghorrocks
Forum: CFX January 18, 2017, 03:28
Replies: 17
Views: 7,874
Posted By ghorrocks
Actually, this might be simple. But I am holidays...

Actually, this might be simple. But I am holidays at the moment so cannot look this up to check it correct.

If you get the absolute value of the normal component of the velocity at the interface...
Forum: CFX October 20, 2012, 05:27
Replies: 17
Views: 7,874
Posted By ghorrocks
I have not checked but am pretty sure massflow...

I have not checked but am pretty sure massflow gives the total flux, so it can go positive or negative. If there are regions of both forward and backward flow it will return the net flux...
Forum: CFX May 12, 2009, 18:50
Replies: 17
Views: 7,874
Posted By ghorrocks
Hi, I think you can do this in V12 but I am...

Hi,

I think you can do this in V12 but I am not sure.

In V11 or earlier you have to cut the mesh and reconnect it with an interface, preferably with a 1:1 connection. Then you have a surface to...
Forum: CFX May 2, 2009, 08:45
Replies: 17
Views: 7,874
Posted By ghorrocks
Hi, A plane can be defined to have bounds....

Hi,

A plane can be defined to have bounds. Have you tried that? And as I mentioned previously use the massFlow() function to get the massflow directly on your surface.

Glenn Horrocks
Forum: CFX April 26, 2009, 19:07
Replies: 17
Views: 7,874
Posted By ghorrocks
Hi, I suspect he is looking for the total...

Hi,

I suspect he is looking for the total mass flow, not the massflow per cell. In this case you don't use the areaAve() function, but should use the massFlow() function instead.

Glenn Horrocks
Forum: CFX April 22, 2009, 20:27
Replies: 17
Views: 7,874
Posted By ghorrocks
Hi, In CFX you should use the massFlow() CEL...

Hi,

In CFX you should use the massFlow() CEL expression to calculate the mass flows. Then it will correctly account for the integration points which your simple area times velocity approach does...
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