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《Hydro-Science and Engineering》 2015-03
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Hydrodynamic analysis of a moored floating pier on an inland river

PENG Ze-yu;LIU Zuo-qiu;FU Ming-hui;Department of Applied Mechanics and Engineering,College of Engineering,Sun Yat-sen University;  
In recent years,waterway transport on the inland river is springing up vigorously. With their own advantages,the floating piers are located on the river where the tidal range is larger. The floating piers are greatly influenced by the wave conditions,so it is very important to carry out the research on their hydrodynamic performance. A numerical simulation model is established by using a hydrodynamic simulation software ANSYS /Workbench / AQWA based on the 3d potential flow theory. Analysis of the floating piers is carried out in the frequency domain and time domain,predicting the dynamic response of the pier in JONSWAP spectrum and API spectrum. Effects of various parameters such as the beam and draft of the pier are also studied in this paper.Finally the analysis results show that the natural period of the floating pier is about 3 ~ 8 s. In the design,attention should be paid to avoid producing resonance when the natural period of the floating pier and the wave period are close. The stability of the floating pier in the high frequency region is better,but the wave keeping is poor. For stable operation of the floating pier,it is necessary to increase the pier's width and reduce its draft appropriately.This study can provide a theoretical reference for the design of the similar floating piers.
【Fund】: 国家自然科学基金委中俄NSFC-RFBR协议项目(10811120012);; 国家自然科学基金资助项目(11172334)
【CateGory Index】: U656.1
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