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《Journal of PLA University of Science and Technology(Natural Science Edition)》 2007-04
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Dynamic response of muti-floating-body system

WANG Xiang 1,2, SHEN Qing1,WANG Guang-dong3,SHI Jie1(1.Engineering Institute of Corps of Engineers,PLA Univ.of Sci.& Tech.,Nanjing 210007,China;2.People's Armied Police Corps of Beijing Division,Beijing 100002,China;3.Research Institute of Military Transportation,Tianjin 300161,China)  
The motion response of floating body system,tension force of mooring chains and linking loadings of connectors were predicted under different incident wave angles and wave frequencies based on 3-dimension potential flow theory,the interaction between the radiation potentials of floating bodies was considered and the effects caused by tensile forces of chains and linking forces on the motion response of the system were taken into account.The results show that the incident wave angles and frequencies affect the dynamic response of floating bodies obviously.The extremum of the motion response of the floating bodies,tension forces of mooring chains and linking loads of connectors occur in the area of low frequency.When wave direction is from 30° to 45°,the extremum of the connectoring loads of connectors will appear.If the wave direction is 90°,the extremum of the tension force of mooring chains will happen.The tension forces of mooring chains in head waves is greater than the one in following waves.
【CateGory Index】: U653.2
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