2011•Journal of Waterway and HarborRequires access
Added mass coefficient of a moored ship
Guo Shi-yong
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Abstract
Added mass is an important component for impact force of a moored ship.In order to establish a more reasonable load design standard for moored ships,it is necessary to perform systemic researches on added mass coefficient of a ship.Based on three dimensional frequency-domain theory,hydrodynamic problems of different types of moored ships were calculated in beam seas.The influences of those factors,such as ship size,water depth,loading condition and wharf type on added mass coefficient were analyzed.It is shown that added mass coefficient increases with ship size(loading) and decreases with water depth.It is higher in semi-infinite domain than in infinite domain.Based on regression analysis,an approximate estimate of added mass coefficient of a moored ship is presented.