Sensibility analysis and further development for dead ship stability criteria based on local linearization method

Chinese Journal of Ship Research - - NEWS -

WANG Tinghao1,2,3,GU Xiechong1,2,3,MA Chengyuan1,2,3,MA Ning1,2,3 1 State Key Laboratory of Ocean Engineering,Shanghai Jiao Tong University,Shanghai 200240,China 2 Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai 200240,China 3 School of Naval Architecture,Ocean & Civil Engineering,Shanghai Jiao Tong University,Shanghai 200240,China dead ship stability,which is defined as a ship losing its power and rolling after turning into beam seas,is recognized as a dangerous stability failure mode. The International Maritime Organization(IMO)and its sub-committee on Ship Design and Construction(SDC)are expected to finalize the second-generation intact stability criteria in 2019,while a number of sample calculations are currently required for its perfection.[Methods]In this paper,a Level 2 criterion for dead ship stability is conducted for three container ships based on the local linearization method. design parameters which can influence the probability of capsizing are investigated,and it is concluded that a ship's capsizing probability may first decrease and then increase as draft increases. Besides,standard value for Level 2 criterion is proposed and several suggestions are raised for the improvement of IMO dead ship stability criteria. This study has a certain value in engineering application and provides technical support for the further development of dead ship stability criteria. ship stability;Level 2 vulnerability criteria;local linearization method;capsizing probability

Abstract:[Objectives]The words:dead Key [Conclusions] [Results]Ship

收稿日期:2017 07 11 网络出版时间:2018-2-2 11:50基金项目:财政部、教育部重大科研专项资助项目(GKZY010004);国家自然科学基金资助项目(51579144)作者简介:王廷昊,男,1996年生,硕士生。研究方向:波浪中船舶稳性与安全性设计。E-mail:thwang19@163.com顾解忡(通信作者),男,1962年生,博士,副研究员。研究方向:浮体运动学。

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