| Abstract | In rational ship structural designs, not only the ultimate and fatigue limit states, but also the accidental limit state should be properly considered. However, in many cases,when determining the arrangements and scantlings of a ship’s structural members, the accidental collision loadings are not considered in the structural design. In the rules of the relevant classification societies, accident collision scenarios are not specified, and only the extent of damage due to collisions and groundings are provided. Therefore, structural designers are presented with difficulties when considering accidental limit states. A probabilistic approach is desirable for more rational design.However, in order to performthis type of approach in actual designs, many scenarios are required, and the uncertainty in the prediction of the occurrence probability of each scenario seems very high. In this study, however, in order to realize a scenario-based approach for ship structural designs against collision, the characteristics of a double-hull tanker in terms of collision resistance are provided based upon rigorous parametric study results. For the numerical calculations of this parametric study, a commercial package was employed. Prior to the parametric study, the numerical method was substantiated with the collision test results of this study. |
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| Publication Date | 2013-06-17 |
Sang-Rai Cho, Jong-Min Kim, Young-Hun Kim, Joo-Sung Lee, Myung-Il Roh, "Towards More Rational Design of Ship Structures against Collisions", Proceedings of ICCGS(International Conference on Collision and Grounding of Ships) 2013, Trondheim, Norway, pp. 187-195, 2013.06.17-19