How to calculate total force?

T.Matrix · October 3, 2012, 02:00

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.

kev4573 · October 11, 2012, 10:45

Take a look at the functionObjects in OpenFOAM. I think the motorBike tutorial uses the forceCoeffs function, as an example.

T.Matrix · October 14, 2012, 00:15

Thanks. It is really useful to calculate the total forces on a face.

October 3, 2012, 02:00	How to calculate total force?	#1
T.Matrix New Member Join Date: Mar 2012 Posts: 20 Rep Power: 14	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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October 11, 2012, 10:45		#2
kev4573 Senior Member Kevin Smith Join Date: Mar 2009 Posts: 104 Rep Power: 17	Take a look at the functionObjects in OpenFOAM. I think the motorBike tutorial uses the forceCoeffs function, as an example.

October 14, 2012, 00:15		#3
T.Matrix New Member Join Date: Mar 2012 Posts: 20 Rep Power: 14	Thanks. It is really useful to calculate the total forces on a face.