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CEL expression in CFD-Post multiple volume

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Old   June 14, 2023, 08:45
Default CEL expression in CFD-Post multiple volume
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Sunghyun Woo
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Hi everyone,

Now I'm struggling to define the volumeAve(Temperature)@<location>.

If I want to know the temperature of two volumes, how can I write in the 'location' area?

For example,

Component 1: Case 1
Component 2: Cell 1

And at the end, I want to see the data of each time step after heat transfer between two components.

I want to define those two volumes into the function.
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Old   June 14, 2023, 10:05
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I assume you are in CFX-Pre, correct?

If so, you can create a Composite Region. Go Insert/Region/Composite Region

Just filter by 3D dimensionality, and create a union between those volumes.

You can then use volumeAve(Variable)@MyCompositeVolume
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Old   June 14, 2023, 18:42
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..... or you can do a volume average of those two volumes:

TotalVolAve = (volumeAve(T)@Location 1*volume()@Location 1 + volumeAve(T)@Location 2*volume()@Location 2)/(volume()@Location 1 + volume()@Location 2)
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Old   June 15, 2023, 03:02
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Thank you for your reply!!

I will try it. It really helpful
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Old   June 15, 2023, 03:03
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Thank you for your reply!!

I will try it. It really helpful
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Old   August 14, 2023, 07:53
Default Convection coefficient
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Thank you for your Answer!!

Last edited by apr13th; August 15, 2023 at 03:53.
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Old   August 14, 2023, 19:23
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Please start a new thread for a new question. Do not hijack existing unrelated threads.

Also, this question appears to be about Fluent. This is the CFX forum. Please ask this question on the Fluent forum.
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