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韓健模,Ohkusu,Makoto 東亞大學校 海洋資源硏究所 1995 硏究論文集 Vol.8 No.1
This method takes into account the hydrodynamical interaction effect. Which has ever been neglected, between cylinders due to the diffraction waves by each cylinder. Numerical results by this method, the wave forces on 2 or 3 cylinders, show that the interaction effect upon surging forces is not necessarily small especially in not large wave length range compared with the cylinder diameter. But in this wave length having force itself upon the structures is small and therefore the effect does not appeared clearly in this force. It must be investigated what an influence the effect has on their heaving or rolling motion in waves. As a first step, in this paper is developed a method to calculate the wave forces acting upon groups of vertical circular cylinders, simple models of floating rig composed of several columns, fixed in waves with finite draft and infinite draft. The numerical results are in good agreement with measured ones obtained by comparatively simple experiment.