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2-way ANSYS-CFX FSI reaction force calculation on solid

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Old   September 19, 2013, 04:57
Default 2-way ANSYS-CFX FSI reaction force calculation on solid
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esbolico
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Hi Everyone,

I am doing an FSI simulation with ansys and CFX where I apply a displacement over a certain area of a pipe-like structure (where there is no fluid) and I want to see the behavior of the fluid and calculate the required force. Find attached a view of how my worbench looks like.

http://imageshack.us/photo/my-images/41/wj4l.png/

The question is how can I calculate the force that I have to exert on the solid part. I have read that you can calculate the force on the fluid surfaces using for instance force_x()@NameOfSurface but doing so with the name of the surface where the displacement boundary condition is applied returns 0 when it can't be that.

Thank you very much!
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