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Study on the Slewing Motion of a Single Point Mooring Ship in Current

Author: DengTao
Tutor: HongBiGuang
School: Dalian Maritime University
Course: Navigation Science and Technology
Keywords: Shallow water Low-speed Trend Single anchor Yaw Simulation
CLC: U675.9
Type: Master's thesis
Year: 2008
Downloads: 113
Quote: 2
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Abstract


The anchoring bias Dang the harm caused to the ship , and for the general public understand . The strong winds caused the ship yaw wider maritime personnel familiar . In fact , due to the trend due to yaw phenomenon often happens , the consequences due to the strong stream of violent yaw movement is also very serious , so research stream anchored boat yaw motion law for driving personnel safety anchoring reference, with a very real sense . Ship motion mathematical model used to describe the existing low-speed stream anchored boat movement , large drift angles hydrodynamic model has some limitations . In view of this , MMG modeling thought, the domain of several low-speed , large drift angle hydrodynamic model simulation results were compared to determine the Fangcun the low-speed domain , large drift angle hydrodynamic model based on adding shallow correction established a mathematical model of the yaw movement of relatively viable single mooring boats and Runge - Kutta method for manipulation of the equations of motion solver . Language development using MATLAB the maneuvering simulation platform , mooring boats yaw movement simulation , simulation results show that the model established in this article is reasonable . Comparative analysis of simulation results to arrive at different flow rates , different out of chain length and conditions of different carrier yaw movement of the ship . Study of the subject , convection anchored ship yaw motion mathematical model for the initial exploration ship anchored in the stream yaw motion mathematical model provides a method , the results of the study can be established for the future to take for the ship drivers measures to ensure the safety anchoring of the ship in a strong stream reference .

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