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Old   July 24, 2016, 18:16
Default 6 DOF Ship Moving
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I want to simulate six dof ship motion in Fluent. But I encounter a problem that ship sink. Although my calculation converge and there is not any dynamic mesh mistake, my ship every time sink. I check its mass value in UDF but it was correct value. I do not understand Though the mass and lifting force equal, why the ship sink.

One year ego I calculated lots of ship moving simulation with fluent but I have never had the same situation. Throughout the last weak, I tried to solve this problem, yet I did not achieve it.

Help me,please !!!
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