破损舰船瘫船状态倾覆概率评估方法
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摘要
国际海事组织已基本确定了完整船瘫船状态下的第2层薄弱性倾覆概率评估方法。由于破损舰船在风浪中运动的复杂性,破损舰船瘫船状态下的倾覆概率评估方法还未提出。基于完整船瘫船失效模式评估方法的思想,对破损舰船的横摇运动进行简化,提出一种评价破损舰船瘫船状态下倾覆概率的方法,并利用实船进行计算分析。分析各参数对倾覆概率的影响,研究对称进水和非对称进水这2种情况下的倾覆概率。结果表明:所提的用于评价破损舰船瘫船状态下倾覆概率的方法可行,其中非对称进水更为危险,可为研究破损舰船瘫船稳性提供参考。
The vulnerability assessment method for dead-ship stability failure mode of intact ships has already been proposed by International Maritime Organization(IMO). However, the relevant method for thedamaged ship has not yet been presented due to the complexity of the damaged ship's motion underdead-ship conditions. Based on the theory of the former case, this paper presents a way of assessing thecapsizing probability of the damaged warship. The method is then verified with the calculating results of actual examples, and the influence of each parameter is discussed. Furthermore, the cases of cross floodingand unsymmetrical flooding are investigated. The method provides certain references for calculating thecapsizing probability of the damaged ship.
The vulnerability assessment method for dead-ship stability failure mode of intact ships has already been proposed by International Maritime Organization(IMO). However, the relevant method for thedamaged ship has not yet been presented due to the complexity of the damaged ship's motion underdead-ship conditions. Based on the theory of the former case, this paper presents a way of assessing thecapsizing probability of the damaged warship. The method is then verified with the calculating results of actual examples, and the influence of each parameter is discussed. Furthermore, the cases of cross floodingand unsymmetrical flooding are investigated. The method provides certain references for calculating thecapsizing probability of the damaged ship.
引文
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[9]黄衍顺,汪娟娟,王珊珊.破舱进水对船舶横摇运动的影响[J].天津大学学报,2012,45(7):577-584.HUANG Yanshun,WANG Juanjuan,WANG Shanshan.Effects of floodwater on the roll motion response of broken ships[J].Journal of Tianjin University,2012,45(7):577-584.
[10]KORKUT E,ATLAR M,INCECIK A.An experimental study of motion behaviour with an intact and damaged Ro-Ro ship model[J].Ocean Engineering,2004,31(3/4):483-512.
[11]PAPANIKOLAOU A,SPANOS D.24th ITTC benchmark study on numerical prediction of damage ship stability in waves preliminary analysis of results[C]//Proceedings of 7th International Workshop on Stability and Operational Safety of Ships.Shanghai:Shanghai Jiao Tong University,2004.
[12]DAVENPORT A G.The spectrum of horizontal gustiness near the ground in high winds[J].Quarterly Journal of the Royal Meteorological Society,1961,87(372):194-211.
[2]International Maritime Organization.Revision of the intact stability code,report of the working group(part1):IMO SLF 51/WP.2[R].London:International Maritime Organization,2008.
[3]顾民,鲁江,王志荣.IMO第二代完整稳性衡准研究的进展综述[C]//2013年船舶水动力学学术会议论文集.北京:中国造船工程学会,2013.
[4]BULIAN G,FRANCESCUTTO A.A simplified modular approach for the prediction of the roll motion due to the combined action of wind and waves[J].Journal of Engineering for the Maritime Environment,2004,218(3):189-212.
[5]王田华.内倾船型在波浪中的倾覆特性研究[D].无锡:中国船舶科学研究中心,2012.
[6]王田华,顾民,鲁江,等.内倾船型的瘫船倾覆特性研究[J].船舶力学,2014,18(4):363-369.WANG Tianhua,GU Min,LU Jiang,et al.Study on capsizing characteristic of a tumblehome hull under dead ship condition[J].Journal of Ship Mechanics,2014,18(4):363-369.
[7]曾柯,顾民,鲁江,等.IMO瘫船稳性第二层薄弱性衡准研究[C]//第十三届全国水动力学学术会议暨第二十六届全国水动力学研讨会论文集——F船舶与海洋工程流体力学.上海:上海《水动力学研究与进展》杂志社,2014.
[8]International Maritime Organization.Vulnerability assessment for dead-ship stability failure mode Submitted by Italy and Japan:IMO SDC1/INF.6[R].London:International Maritime Organization,2013.
[9]黄衍顺,汪娟娟,王珊珊.破舱进水对船舶横摇运动的影响[J].天津大学学报,2012,45(7):577-584.HUANG Yanshun,WANG Juanjuan,WANG Shanshan.Effects of floodwater on the roll motion response of broken ships[J].Journal of Tianjin University,2012,45(7):577-584.
[10]KORKUT E,ATLAR M,INCECIK A.An experimental study of motion behaviour with an intact and damaged Ro-Ro ship model[J].Ocean Engineering,2004,31(3/4):483-512.
[11]PAPANIKOLAOU A,SPANOS D.24th ITTC benchmark study on numerical prediction of damage ship stability in waves preliminary analysis of results[C]//Proceedings of 7th International Workshop on Stability and Operational Safety of Ships.Shanghai:Shanghai Jiao Tong University,2004.
[12]DAVENPORT A G.The spectrum of horizontal gustiness near the ground in high winds[J].Quarterly Journal of the Royal Meteorological Society,1961,87(372):194-211.