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Ansys AQWA moonpool

Ansys AQWA moonpool

Ansys AQWA moonpool

(OP)
I am working with ansys aqwa to study the behavior of a Spar Buoy.
On the bottom of my spar buoy I have the geometry with tube elements and a disc in the bottom to create the viscous drag effect. After I run my simulation, in Workbench 16.0, the tube elements appear all deformed in the pressure and motion analysis.

Also, does the software ansys aqwa simulate the displacement of the water inside of the spar buoy considering a moonpool effect? I was thinking on inserting a piston with the density of the water inside the spar buoy, but I don't know how to make an interaction between the two bodies.

Can you please help me with this?

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