5. Computation of Ship Wave Pattern by the Slender Body Approximation

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概要

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• A new formulation of the slender body theory for a ship with constant forward speed is developed. It is based on an asymptotic expression for the Kelvin source and may be regarded as a substitute for the Neumann-Kelvin approximation. Wave patterns of a point source in a uniform stream are computed by the original formula of the Kelvin source and by the asymptotic formula. Wave patterns of a submerged body which is represented by a source distribution along the longitudinal axis are also computed by both methods. They agree well near the longitudinal axis. The computation of the wave pattern for a model of Series 60, C_B=0.6 is carried out, and the result is compared with measurement. It is concluded that the present theory is useful as an approximate method of prediction of ship waves near the hull.

• 社団法人日本船舶海洋工学会の論文

著者

• Ikehata Mitsuhisa

  Yokohama National University

• MARUO Hajime

  Yokohama National University

• TAKIZAWA Yasushi

  Yokohama National University

• MASUYA Toshikazu

  Yokohama National University

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