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average pressure of a volume area

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Old   November 12, 2009, 11:25
Default average pressure of a volume area
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Sven Degner
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hi foamers,

for a simulation of a channel flow I like to
calculate the average the pressure of a specific area.

For patch are simple, like this
(gSum(phi.boundaryField()[1]))
but when I got a cube, not a patch, in the channel ????.

Is there any opportunity to create a sphere like in setFields and
calculate the pressure value of this area?

best regards
sven
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