纵浪中影响半潜船航行安全的因素及作用机理
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摘要
针对载有重大件货物的半潜船在长波海浪中航行时具有发生参数横摇的风险,构建半潜船的运动模型,找出诱发半潜船参数横摇的关键因素.然后,运用变参数分析法定量计算分析波浪长度、波浪高度、初稳性高度和航速变化等关键因素对半潜船航行安全的影响程度及作用规律.最后,基于案例分析,获得半潜船不发生参数横摇时各关键因素取值区间.该问题的研究有利于推动半潜船稳性规范的完善与统一.
A semi-submersible vessel's motion model was constructed in order to find out the key factors to induce the parameter rolling for semi-submersible vessels carrying heavy cargo in the long waves.Then,the variable parameter analysis method was used to quantitatively calculate and analyze the influence degree and rule of the key factors including the wave length,wave height,metacentric height and speed variation on the navigation safety of the semi-submersible vessels.Finally,based on the case analysis,the critical interval values of semi-submersible vessels without parametric roll are obtained.The study of this problem will help improve and standardize the stability criterion of semi-submersible vessels.
A semi-submersible vessel's motion model was constructed in order to find out the key factors to induce the parameter rolling for semi-submersible vessels carrying heavy cargo in the long waves.Then,the variable parameter analysis method was used to quantitatively calculate and analyze the influence degree and rule of the key factors including the wave length,wave height,metacentric height and speed variation on the navigation safety of the semi-submersible vessels.Finally,based on the case analysis,the critical interval values of semi-submersible vessels without parametric roll are obtained.The study of this problem will help improve and standardize the stability criterion of semi-submersible vessels.
引文
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[5]李晓君,谢新连,林岩.开敞水域半潜船初稳性高度限值的确定[J].大连海事大学学报,2017,43(1):14-18.LI X J,XIE X L,LIN Y.Determination of metacentric height limits for semi-submersible vessel in the open sea[J].Journal of Dalian Maritime University,2017,43(1):14-18.(in Chinese)
[6]JENSEN J J.Efficient estimation of extreme non-linearroll motions using the first-order reliability method[J].Journal of Marine Science and Technology,2007,12(4):191-202.
[7]KROEGER H P.Simulation of ship rolling motion in seaway[J].Schiffstechnik,1986,33(4):187-216.
[8]BULIAN G.Nonlinear parametric rolling in regular waves—a general procedure for the analytical approximation of the GZ curve and its use in time domain simulations[J].Ocean Engineering,2005,32(3-4):309-330.
[9]JENSEN J J,MANSOUR A E,OLSEN A S.Estimation of ship motions using closed-form expressions[J].Ocean Engineering,2004,31(1):61-85.
[10]TAYLAN M.The effect of nonlinear damping and restoring in ship rolling[J].Ocean Engineering,2000,27(9):921-932.
[11]盛振邦,刘应中.船舶原理(下)[M].上海:上海交通大学出版社,2004:376-395.
[12]李晓君,谢新连.影响半潜船初稳性高度限值因素及其作用机理[J].哈尔滨工程大学学报,2015,36(1):109-112.LI X J,XIE X L.The influencing factors of semi-submersible vessel's metacentric height limits and mechanismofaction[J].Journal of Harbin Engineering University,2015,36(1):109-112.(in Chinese)
[13]谢新连,李晓君,苏晨,等.关于半潜船初稳性高度限值的探讨[J].大连海事大学学报,2014,40(3):37-41.XIE X L,LI X J,SU C,et al.Discussion about the metacentric height limit of a loaded semi-submersible vessel[J].Journal of Dalian Maritime University,2014,40(3):37-41.(in Chinese)
[14]李晓君,谢新连.重大件运输的货物分配与航速联合优化[J].西南交通大学学报,2015,50(4):747-754.LI X J,XIE X L.Integrated optimization of cargo distribution and ship speed for heavy-cargo transportation[J].Journal of Southwest Jiaotong University,2015,50(4):747-754.(in Chinese
[2]HASHIMOTO M,UMEDA N.Nonlinear analysis of parametric rolling in longitudinal and quartering seas with realistic modeling of roll-restoring moment[J].Journal of Marine Science and Technology,2004,9(3):117-126.
[3]卜淑霞,鲁江,顾民,等.顶浪规则波中参数横摇数值预报研究[J].中国造船,2014(2):1-7.BIAN S X,LU J,GU M,et al.Numerical prediction of parametric rolling in regular head seas[J].Shipbuilding of China,2014(2):1-7.(in Chinese)
[4]李红霞,彭东升,黄一,等.斜浪中船舶参数横摇运动研究[J].船舶力学,2014(Z1):62-67.LI H X,PENG D S,HUANG Y,et al.Parametric rolling analysis in oblique seas[J].Journal of Ship Mechanics,2014(Z1):62-67.(in Chinese)
[5]李晓君,谢新连,林岩.开敞水域半潜船初稳性高度限值的确定[J].大连海事大学学报,2017,43(1):14-18.LI X J,XIE X L,LIN Y.Determination of metacentric height limits for semi-submersible vessel in the open sea[J].Journal of Dalian Maritime University,2017,43(1):14-18.(in Chinese)
[6]JENSEN J J.Efficient estimation of extreme non-linearroll motions using the first-order reliability method[J].Journal of Marine Science and Technology,2007,12(4):191-202.
[7]KROEGER H P.Simulation of ship rolling motion in seaway[J].Schiffstechnik,1986,33(4):187-216.
[8]BULIAN G.Nonlinear parametric rolling in regular waves—a general procedure for the analytical approximation of the GZ curve and its use in time domain simulations[J].Ocean Engineering,2005,32(3-4):309-330.
[9]JENSEN J J,MANSOUR A E,OLSEN A S.Estimation of ship motions using closed-form expressions[J].Ocean Engineering,2004,31(1):61-85.
[10]TAYLAN M.The effect of nonlinear damping and restoring in ship rolling[J].Ocean Engineering,2000,27(9):921-932.
[11]盛振邦,刘应中.船舶原理(下)[M].上海:上海交通大学出版社,2004:376-395.
[12]李晓君,谢新连.影响半潜船初稳性高度限值因素及其作用机理[J].哈尔滨工程大学学报,2015,36(1):109-112.LI X J,XIE X L.The influencing factors of semi-submersible vessel's metacentric height limits and mechanismofaction[J].Journal of Harbin Engineering University,2015,36(1):109-112.(in Chinese)
[13]谢新连,李晓君,苏晨,等.关于半潜船初稳性高度限值的探讨[J].大连海事大学学报,2014,40(3):37-41.XIE X L,LI X J,SU C,et al.Discussion about the metacentric height limit of a loaded semi-submersible vessel[J].Journal of Dalian Maritime University,2014,40(3):37-41.(in Chinese)
[14]李晓君,谢新连.重大件运输的货物分配与航速联合优化[J].西南交通大学学报,2015,50(4):747-754.LI X J,XIE X L.Integrated optimization of cargo distribution and ship speed for heavy-cargo transportation[J].Journal of Southwest Jiaotong University,2015,50(4):747-754.(in Chinese