For examining a numerical simulation model for the IMO (International Maritime Organization) second generation intact stability criteria for dead ship condition, capsizing probability of a ship in random beam wind and waves was estimated by the model experiments and is compared with that estimated with numerical simulation using a coupled roll model (sway-heave-roll-pitch) to be used for new stability criterion development for dead ship stability. By using the memory effect function to calculate radiation force, the simulation model is well validated in capsizing probability with the existing model experiment of a ship suffering harmonic resonance. However, the simulation model fails to estimate the case of a large passenger ship which suffers parametric resonance in beam seas.

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