I'm modeling a floating dock bringing a huge concrete caisson on sea, and having a problem with their abnormal movement.
We know floting body on sea should be moving up and down with wave, but it just goes down in my modelling and gradually converge after about 40 seconds from wave making.
My plan is to make several combination of load case for that modelling and
in that case wave height was 2.0m, period was 6 seconds.
Is there anyone who can help me for finding errors?
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