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A new analysis method based on the theory of Fourier transform is provided for the added resistance, steady sway force, and yaw moment acting on an advancing ship in oblique waves. The principle of li...near and angular momentum conservation is used to relate the steady force and moment to far-field disturbance waves generated by the ship. Maruo's added-resistance formula is derived easily with the present method in which Parseval's theorem is effectively used in place of the stationary-phase method. The new method is extended to the analysis of the steady sway force and yaw moment. Calculation formulas for these force and moment are obtained in a form analogous to that for the added resistance, involving only the Kochin function as unknown. In the limit of vanishing forward speed, the obtained formulas reduce to Maruo's for the drift force and Newman's for the drift moment.続きを見る
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Mendeley出力
037107_p001