Seakeeping Index and Valuation of the Seakeeper Software for Surface Ships

Some deficiencies existed in the domestic seakeeping calculation for naval ships are pointed out,and detailed description on seakeeping index for surface ships is presented according to the rules of seaworthiness in the Ship General Specification. Some problems deserved special attention in the theoretical prediction of surface ship seakeeping are put forward, and the available ship types and accuracy of the prevalent commercial software Seakeeper are analyzed.