Hello experts; the problem remains unsolved. I think the frictionless contact cause this problem. Still, the only contact simulating the actual physical condition of the Floating body is the frictionless contact between the solid and fluid face (neglecting friction to validate the analytical solution). When I used bonded connection, the static results didn't match the analytical solution, but the transient analysis ran smoothly.
I tried to use Dynamic Explicit to unravel the issue. But there is no option to control time integration to generate initial conditions for transient analysis and no option to control timesteps. Another option for the initial state is using the static solution as an initial condition for Dynamic Explicit analysis, but it encounters errors because of frictionless and no separation contact.
Is there any idea?
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