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《中国海洋工程(英文版)》 2015-02
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Time-Domain Simulation for Coupled Motions of Three Barges Moored Side-by-Side in Floatover Operation

XU Xin;YANG Jian-min;LI Xin;XU Liang-yu;State Key Laboratory of Ocean Engineering,Shanghai Jiao Tong University;  
Simulating the coupled motions of multiple bodies in the time domain is a complex problem because of the strong hydrodynamic interactions and coupled effect of various mechanical connectors. In this study, we investigate the hydrodynamic responses of three barges moored side-by-side in a floatover operation in the frequency and time domains. In the frequency domain, the damping lid method is adopted to improve the overestimated hydrodynamic coefficients calculated from conventional potential flow theory. A time-domain computing program based on potential flow theory and impulse theory is compiled for analyses that consider multibody hydrodynamic interactions and mechanical effects from lines and fenders. Correspondingly, an experiment is carried out for comparison with the numerical results. All statistics, time series, and power density spectra from decay and irregular wave tests are in a fairly good agreement.
【Fund】: financially supported by Lloyd’s Register Foundation(LRF) a UK-registered charity and sole shareholder of Lloyd’s Register Group Ltd.;; the Youth Innovation Fund of State Key Laboratory of Ocean Engineering(Grant No.GKZD010059-21)
【CateGory Index】: U661
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1 MIAO Guoping H. Ishida T. Saitoh 1 Professor, School of Naval Architecture and Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200030,P. R. China 2 Professor, Department of Civil Engineering, Kanazawa University, Kanazawa, Zip. 920, Japan 3 Associate Professor, Department of Civil Engineering, Kanazawa University, Kanazawa, Zip. 920, Japan;Influence of Gaps Between Multiple Floating Bodies on Wave Forces[J];中国海洋工程(英文版);2000-04
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