Non-Linear Periodic Motions of a Ship Running in Following and Quartering Seas〔含 討論〕

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概要

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• This paper deals with non-linear periodic motions of a ship running in following and quartering seas with 10w encounter frequency. It aims at providing a methodology for more comprehensive understanding of broaching. The motions discussed here include surge, sway, yaw and roll with an auto pilot. A manoeuvring mathematical model in waves is transformed with a mean-velocity inertia axis system and then an averaging method is applied to the transformed model. As a result, local stability and outstructure of periodic motions are discussed with numerical results derived using a purse seiner. These cannot be directly assessed by conventional linear models or purely simulation based approaches. Comparisons with experimental results are also shown

• 社団法人日本船舶海洋工学会の論文

著者

• 梅田 直哉

  National Research Institute of Fisheries Engineering

• Umeda Naoya

  National Research Institute of Fisheries Engineering

• Vassalos Dracos

  University of Strathclyde

• Vassalos D

  Univ. Strathclyde Glasgow Gbr

関連論文

• Model Experiments of Ship Capsize in Astern Seas
• Analyses on Low Cycle Resonance of Ship in Astern Seas
• Model Experiment on Anti-Broaching Steering System
• Non-Linear Periodic Motions of a Ship Running in Following and Quartering Seas〔含 討論〕
• 6. Probability of Ship Capsizing due to Pure Loss of Stability in Quartering Seas
• Nonlinear dynamics of ship capsizing due to broaching in following and quartering seas

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