水流中船舶单双锚泊偏荡运动响应研究  

Swaying response study of anchored ships in current

作　　者：汤健勇 王飞[1] 

机构地区：[1]上海交通大学海洋工程国家重点试验室,上海200030

出　　处：《哈尔滨工程大学学报》2015年第1期12-18,共7页Journal of Harbin Engineering University

基　　金：国家自然科学基金资助项目(10902067);海洋工程国家重点实验室青年创新基金资助项目(GKZD010059-16)

摘　　要：为研究不同形式锚泊船在流中偏荡运动响应特性及规律,给出了比较全面的船舶锚泊操纵运动数学模型及数值求解方案。采用数值仿真研究方法,对单锚泊和双锚泊(八字锚、一字锚等)多种锚泊形式展开了详尽的计算分析。将船舶和锚链分别建模,锚泊船采用MMG操纵运动方程,并计入低速时水动力影响;对于水下锚链,为准确地计入三维情况下其和海底之间的各种作用力,采用最基本的集中质量法来描述其运动;而后通过边界条件将船-链耦合成为一个整体。最后通过仿真计算研究了各种形式锚泊船在流中的偏荡运动,以此为基础对单、双锚泊之间的运动特性进行了对比研究;并分析了诸多因素(如微速倒车)对其运动的影响,通过总结给出了规律性结论。This paper presents a comprehensive mathematical model for the anchored maneuver of ships,which is used to study the swaying characteristics of ships at different mooring schemes in current. In this mathematical model,the ship is described by the classic MMG maneuverability model,the mooring chain by the lumped parameter method in order to fully consider the interaction forces between the chain and seabed in three dimensions,coupling relations are presented to relate the ship＇s and the chain＇s model together. Extensive numerical simulations are carried out to analyze the swaying characteristics of ships in current,during which various kinds of anchoring moor schemes are considered. Some valuable conclusions are drawn from the simulations.

关 键 词：船舶操纵性 锚泊运动 数值模拟 集中质量法 

分 类 号：U661[交通运输工程—船舶及航道工程]