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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/65264


    Title: A numerical method for mean drift forces acting on a 3-D body under wave and current
    Authors: 李宗翰;Lee, Tzung-hang;Sun, Bo-qi
    Contributors: 淡江大學機械與機電工程學系
    Date: 1997-06
    Issue Date: 2011-10-20 21:35:29 (UTC+8)
    Abstract: Under the assumptions of potential theory, small-amplitude motion, small steady disturbance and low current speed, the problem is simplified and then a form of Green function of the simplified equation is derived. For ease of numerical calculation, following the idea of Huijsmans & Hermans (1985), the Green function is expended into an oscillating source Go at zero forward speed and a correction term GI to take into account low forward speed. Then the expressions for Go and GI are derived. It is shown that these expressions have good numerical calculation performance. To test the present method, it is applied to a hemisphere and a half submerged ellipsoid.
    Relation: Journal of ship rescarch 41(2), pp.108-117
    Appears in Collections:[機械與機電工程學系暨研究所] 期刊論文

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