Abstract
This paper discusses the dead ship criteria applied to Indonesian ro-ro ferries. Model experiments consisting of roll decay and roll test in beam seas were conducted to calculate the hydrodynamics factors corresponding to the vulnerability criteria level 1 and level 2 of the dead ship criteria. The results show that the damping factors were smaller than those in the weather criterion. The effective wave slope coefficient was not significantly different from that obtained by the weather criterion when the radius gyration coefficient was the same as that calculated by the formula in the weather criterion. The ships comply with the weather criterion in full loading condition for the hydrodynamics factors determined by the weather criterion and by a model experiment. Inconsistency between the vulnerability criteria level 1 and the vulnerability criteria level 2 was obtained when the scatter wave data of IMO was used to calculate the capsizing index.
Published Version
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