斜波中を航走する肥大船に働く波力について(第4報)

概要

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A new numerical approach based on the 3-D panel method was presented for the estimation of the wave forces acting on a half-immersed spheroid advancing in oblique short waves in the 3rd report. This numerical approach consisted of the spline approximation of the ship surface and the velocity potential distribution on it, and the integral equation directly with respect to the velocity potential itself. It was clear that this method improved the predicted results of the wave forces on the spheroid in oblique short waves. In this paper, the numerical approach is applied to estimate the wave forces and the pressure distribution on a realistic blunt ship advancing in oblique short waves. Moreover, the steady disturbance on a realistic blunt ship surface was taken into account. The numerical results of the present method are compared with the experimental results and the numerical results of strip method. The results of the present method are in good agreements with the experimental ones about radiation forces and pressure distributions on the ship surface.
社団法人日本船舶海洋工学会の論文