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《Journal of Dalian Maritime University》 2009-04
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Yawing of an anchored ship in wind and current

ZHANG Yu-xi,HONG Bi-guang,YANG Lin-jia,PEI Jing-tao(Navigation College,Dalian Maritime University,Dalian 116026,China)  
To study yawing of an anchored ship in strong external forces such as wind and current,a mathematical mode of the anchored ship's movement was developed based on mathematical model group(MMG),and yawing movement of the ship at a single anchor was simulated by using Matlab simulation program. The ship's motion and trend of each motion parameters under different situations were put forward. Furthermore,the formula for the necessary length of chains to be computed was concluded,which can provide references for ships' officers when carrying out anchoring operations.
【Fund】: 国家自然科学基金资助项目(60874056)
【CateGory Index】: U661
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