Numerical study on bank effects for a ship sailing in shallow channel |
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Authors: | Jian-xi Yao Zao-jian Zou Hua-ming Wang |
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Institution: | (1) Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA; |
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Abstract: | A numerical study on bank effects in shallow channels is carried out by using a first-order Rankine source panel method. A
container ship sailing along a vertical bank and a sloping bank at different forward speeds, different water depths and different
distances between the bank and the ship hull is taken as example. The sway force and yaw moment acting on the hull are calculated
and the influences of the speed, water depth and distance between the bank and ship hull on the hydrodynamic force and moment
are analyzed. This study can provide insight into the bank effects, as well as to give guidance on ship manoeuvring and control
in restricted waterways, which is helpful to the navigation safety. |
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