Evaluation of Wave Response of a Large Floating Structure by Field Measurement and Simulation

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  • 大型浮体の波浪中動揺の実海域計測とそのシミュレーション

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This paper presents field measurement of wave response of a large floating structure located at Awaji-island. The vertical elastic response and the horizontal motion as a moored vessel have been measured, and compared with the simulated values. The vertical hydroelastic responses have been compared in the frequency domain, and a good agreement has been obtained. The horizontal motion has been simulated in the time-domain where the nonlinear mooring restoring force characteristics and the memory effect are considered, and also a good agreement has been obtained, if the clearances at the fenders are adjusted. Basically, the simulation presented in this paper can represent the measured values; however, further improvement to consider the multi-directional irregular sea-state may be necessary.

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