6. A Practical Calculation Method of a Moored Semi-Submersible Rig Motion in Waves : On the Effects of Moored Water Depth and Mooring Systems

概要

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This paper is concerned with comparison between experimental results and a new practical calculation method proposed here for moored semi-submersible rig motion in waves, and good results were obtained. Mainly, this research deals with the study of the effect of the water depth and the mooring system on the semi-submersible rig motion in waves with wide frequency range. Three model scales were chosen for the experiment. And the use of a very small model of 1/300 scale has made it possible to obtain the response of the rig motion in a wide range of wave frequency which includes the roll and pitch natural periods at very low frequency. Furthermore, such a small model experiment was realized by the newly developed remote measurement system based on the opt-electric device.
社団法人日本船舶海洋工学会の論文