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Numerical simulation of deformations and forces of a floating fish cage collar in waves

文献类型： 外文期刊

作者： Huang, Xiao-Hua 1 ; Guo, Gen-Xi 2 ; Tao, Qi-You 2 ; Hu, Yu 2 ; Liu, Hai-Yang 2 ; Wang, Shao-Min 2 ; Hao, Shuang-Hu 3 ;

作者机构： 1.Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, 231 Xingangxi Rd, Guangzhou 510300, Guangdong, Peoples R China

3.Offshore Oil Engn Co Ltd, Tianjin 300452, Peoples R China

关键词： Floating fish cage collar; Elastic deformation; Mooring line tension; Numerical simulation

期刊名称：AQUACULTURAL ENGINEERING （ 影响因子：3.281； 五年影响因子：3.727 ）

ISSN： 0144-8609

年卷期： 2016 年 74 卷

页码：

收录情况： SCI

摘要： The dynamic behavior of a fish cage collar in waves was investigated using a numerical model based on the finite element method. The floating collar and mooring system were divided into a series of line segments modeled by straight massless model segments with a node at each end. To verify the validity of the numerical model, research data from other authors were cited and compared with the simulated results, the comparison of results showed a good agreement. The numerical model was then applied to a dynamic simulation of a floating cage collar in waves to analyze its elastic deformation and mooring line tension. The simulated results indicated that the greatest deformation of the collar taken place in the position of the mooring line connection point when incident waves were in the same direction. An increase in the length of mooring line would help to decrease the mooring line tension of the collar. Furthermore, the effects of collar dimension, including collar circumference, pipe diameter in cross-section, and pipe thickness, on the dynamic behavior of the floating collar were discussed. The results of this study provided a better understanding of the dynamic behavior of the fish cage collar. (C) 2016 Elsevier B.V. All rights reserved.

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