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how to see area weigted average velocity on muliple patches?

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Old   February 4, 2014, 20:28
Default how to see area weigted average velocity on muliple patches?
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OH il seok
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I am trying to see average velocity on patches

I know this command

foamCalc mag U
patchAverage magU patchname
but I have 50 patches and 8milion cell.....

so it make me speding a lot of time.

so I want to ask this problem . anyone know How to calculate multiple patches?

please do not say to me please use compile or 3rd party program.

cuz I am using cross-compiled openfoam for windows, so I can not try compile and using 3rd party program such as swak4foam..

I have another question. I try to calculate area weighted velocity on patches on Paraview( used filter -> surface flow) but it make different value from openfoam(patchAverage magU patchname) why it is different? what is correct or close value for solution?
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