A Boundary-Element Method for Calculating Free-Surface Flows Around a Yawed Ship

概要

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The free-surface flows around a yawed ship in steady motion are analyzed by the boundary-element method. The solution is obtained by a distribution of singularities on the ship surface and on the undisturbed free surface. The total velocity potential is divided into two parts, i.e., the double-model lifting-flow potential and the free-surface-flow potential. The double-model lifting-flow potential is expressed by source and doublet distributions, and determined with a Dirichlet-type boundary condition. The free-surface-flow potential is expressed by a simple Rankine-type singularity and determined with linearized boundary conditions applied on the free surface. An overview is given for the present approach, and numerical results are presented for the Wigley hull, including comparisons with available experimental data.
社団法人日本船舶海洋工学会の論文
1992-09-25