In this paper,the theory of potential flow is studied,the hydrodynamic model of ship is analyzed emphatic-ally,and the response curve of ship rolling in transverse waves is given.The simulation analysis of ship tank slosh motion is carried out,and the curve of wave surface rise and pressure under ship roll is analyzed.The ship model is constructed accord-ing to a certain size ratio,and the ship roll attenuation curve is given.At the same time,the ship model is loaded with the load excitation under two working conditions of transverse wave and wave,and the coupled motion of ship motion and tank sway is solved and analyzed in time domain.
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