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How to calculate total force?

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Old   October 3, 2012, 02:00
Default How to calculate total force?
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when I finished the case "cavity" using the solver icoFoam, the pressure and velocity distribution are all known. That's to say, the pressure acting on movingWall is also computed. However, how do we sample these pressure value on movingWall and calculate the total force?

Thanks for help.
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Old   October 11, 2012, 10:45
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Take a look at the functionObjects in OpenFOAM. I think the motorBike tutorial uses the forceCoeffs function, as an example.
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Old   October 14, 2012, 00:15
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Thanks. It is really useful to calculate the total forces on a face.
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