SEAKEEPING PERFORMANCE ASSESSMENT FOR A CONTAINERSHIP IN A SPECIFIC SEA AREA
Abstract
In the present work, the calculation of seakeeping performance given as an operability index is carried out for a containership with different characteristics. The operability index depends on the wave climate of the ocean area where the ships operate, the dynamic response of the ship to the waves, and the ship mission. The relation between the ship operability and the mission characteristics is established through the seakeeping criteria, which represent the acceptable limits of operation. The wave conditions considered were those usually encountered in the Black Sea, near to the Gloria drilling platform. The transfer functions of the absolute ship motions and of some derived responses such as accelerations and relative motions are obtained using a method based on the strip theory. The numerical results are pointing out the navigation restrictions for the container ship according to the sea state conditions.
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