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using forces for geting drag and lift force magnitude?

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Old   October 21, 2010, 00:23
Default using forces for geting drag and lift force magnitude?
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Stanley Aryanto
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Hi guys,

I am looking for the drag and lift forces on solar panel in a wind tunnel.

I've been looking at postprocessing forces but I couldn't get it to work.
I put forces function on my controlDict, do i need to change any other files?

What are the command use to find these forces? i've been using foamCalc but it keep comming with

Quote:
Create time

Create mesh for time =0

Time=0
No P

Time=0.25
No P

Time=0.5
No P

End
What do I miss?

any pointers would be appreciated
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Old   October 26, 2010, 22:21
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It seems that the field P (pressure?) is not saved at each of the time instants. Check that the required fields are written to the folder.
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Old   October 28, 2010, 11:42
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Stanley Aryanto
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I've got it figured out, not to sure what was the problem but.. I was just kept dwelling on it and got the figures.. thanks for the reply!
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