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规则波浪中船舶操纵响应遭遇频率频散概念与机制 被引量：6

Conception and mechanism of ship frequency dispersion by maneuvering motions in regular waves
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摘要 采用船舶单自由度横摇运动方程,以及纵摇与垂荡耦合摇荡运动方程,数值模拟了规则波浪中船舶操纵响应不规则摇荡运动现象。假定波浪中船舶遭遇频率具有谐波分量形式,定义了遭遇频率常量、强度和散射频率,提出了船舶遭遇频率频散概念,推导了遭遇频率的频散关系,分析得到了航速和浪向角度变化引起的两种频散机制。散射机制表明:顶浪航行时航速散射效率最高,正横浪航行时航向角散射效率最高。 The irregular oscillatory motion of maneuverability response in regular waves was numerically simulated by adopting ship motion equation of rolling with single-freedom degree and coupled heave-pitch motion equation.Based on the presupposition of harmonic wave encounter frequency,the concept of frequency scattering of wave encounter frequency was presented.The constant value,as well as amplitude and frequency,of wave frequency of encounter were defined,and the dispersion relation of wave encounter frequency was deduced too.Furthermore,two kinds of mechanism for the frequency dispersion resulted from changes of ship speed and wave angle respectively,were obtained.The mechanism of frequency dispersing shows that its effectiveness of speed scattering is the highest in peak waves,while the effectiveness of course scattering is the highest in beam waves.
作者 朱军 陈俊锋 葛义军
机构地区 海军工程大学船舶与动力学院
出处 《海军工程大学学报》 CAS 北大核心 2010年第3期7-10,20,共5页 Journal of Naval University of Engineering
基金 国家部委基金资助项目(9140A140305093B1105)
关键词 船舶 操纵 规则波浪 遭遇频率 散射 ship maneuvering regular waves frequency of encounter dispersion
分类号 U661.3 [交通运输工程—船舶及航道工程]
  • 相关文献

参考文献12

  • 1DAVIDSON K S M.The steering of ships in following seas[J].Proceeding of the 6th International Congress for Applied Mechanics,1948,2:554-568.
  • 2RYDILL L J.A linear theory for the steered motion of ship in waves[J].Quarterly Transactions of the Institution of Naval Architects,1959,101(1):81-112.
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  • 10陈俊峰,朱军,葛义军.规则波浪中舰船操纵与横摇耦合运动模拟及特性分析[J].舰船科学技术,2009,31(3):46-50. 被引量：11

二级参考文献27

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共引文献25

同被引文献52

  • 1DAVIDSON K S M. The steering of ships in followingseas [ C ]//Proceeding of the 6th International Congress for Applied Mechanics, 1948:554-568.
  • 2RYDILL L J. A linear theory for the steered motion of ship in waves[ J]. Quarterly Transactions of the Institu- tion of Naval Architects, 1959,101 (1) :81-112.
  • 3EDA H. Steering characteristics of ships in calm water and waves [ J ]. SNAME, 1965,173 : 135-177.
  • 4EDA H. Direction stability and control of ships in Waves [ J]. Journal of Ship Research, 1972,16:205-218.
  • 5NONAKAK. On the maneuvering motion of a ship in waves[J]. Transaction of the West-Japan Society of Na- val Architects, 1991,80:73-86.
  • 6CHEN JUN-FENG, ZHU JUN. Study on the amplitude characteristics of pitch and heave motions for a ship based on frequency scattering [ J ]. Future Intelligent In- formation Systems ,2011 ( 1 ) : 157-164.
  • 7CHEN JUN-FENG, ZHU JUN. The conception and mech- anism of ship frequency scattering due to maneuvering in regular waves [ J ]. Advanced Materials Research, 2011, 180 : 1248-1253.
  • 8DAVIDSON K S M. The steering of ships in following seas[J]. Proceeding of the 6th International Congress for Applied Mechanics, 1948,2 : 554- 568.
  • 9RYDILL L J. A linear theory for the steered motion of ship in waves [J]. Quarterly Transactions of the Institution of Naval Architects, 1959,101(1) :81-112.
  • 10EDA H. Steering characteristics of ships in calm water and waves [J]. SNAME, 1965,173:135-177.

引证文献6

二级引证文献3

海军工程大学学报
2010年 第3期

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