¿center of pressure and moments in interDyMFoam?

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 March 17, 2010, 13:42 ¿center of pressure and moments in interDyMFoam? #1 Member   angel Join Date: May 2009 Location: Spain Posts: 46 Rep Power: 9 Hello, Anybody know if it is possible to calculate the center of pressure and moments in a multiphase simulation using interDyMFoam Best regards,

March 17, 2010, 16:16
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Sebastian Gatzka
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Quote:
 Originally Posted by anmartin Hello, Anybody know if it is possible to calculate the center of pressure and moments in a multiphase simulation using interDyMFoam Best regards,
Can you tell me what a center of pressure and/or momentum is?
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 March 21, 2010, 08:53 forces, momoents about and specified center and center of pressure #3 Member   angel Join Date: May 2009 Location: Spain Posts: 46 Rep Power: 9 Hello, I want to obtain the sloshing forces and moments to be compare with experimental data of an tank partially filled with water suspected to a sinusoidal lateral excitation in Y direction [A*cos(w*t)] In fluent it can be done by “reports>forces>...” I can calculate the forces by [patchIntegrate p walls] this generate the total forces in X Y Z [Time=15 Area vector of patch walls[0] =(5,51E-17 -8,75E-17 7,72E-19) Area magnitude of patch walls[0] = 1,01 Reading volScalarField p Integral of p over vector area of patch walls[0] = (-86,11 -305,32 3,18) Integral of p over area magnitude of patch walls[0] = 99687,5 ] But I don't know the moments about an specified center [in my case a point in the middle of the lower part of the tank, were I fixed it to the shaker using a 3 axle load cell, in order to measure the vertical forece (Fz), lateral force (Fy) and roll moment(Mx)] If you can help me I will be very gratefully Best regards,

 March 21, 2010, 08:58 #4 Senior Member     Sebastian Gatzka Join Date: Mar 2009 Location: Frankfurt, Germany Posts: 729 Rep Power: 12 I would try to have a look into the tool, which calculated the forces. Maybe you will have to alter it, so it will output the values you want. __________________ Schrödingers wife: "What did you do to the cat? It's half dead!"

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