期刊
OCEAN ENGINEERING
卷 291, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.oceaneng.2023.116309
关键词
Array of flexible net cages; Mooring lines; Current; Displacement; Accelerations: wave loads
An analytical model of moored floating flexible net cage systems was developed to study dynamics and wave loads. Results were compared with finite element analysis and experimental data, and various factors were analyzed for their effects on system performance. This study is important for the design of multiple floating fish cage systems in offshore aquaculture.
An analytical model of an array of moored floating flexible net cage systems is developed to study the dynamics and wave loads on the net cages under the linear water wave theory and small-amplitude wave response assumption. The Fourier-Bessel series expansion of the velocity potential is derived for the regions enclosed under the open-water and cage systems and their proximity. The theoretical solution is obtained by employing the least squares approximation method along with matching the velocity and pressure at the fluid-structure interfaces. The present result of horizontal displacement and horizontal wave load are compared with a pub-lished finite element analysis and with experimental data sets, respectively. Further, the results of cage dis-placements, cage accelerations, and wave loads on the different arrangements for mooring stiffness, cage radius, cage heights, and current speeds are compared and analysed. Moreover, the present analysis will be helpful to understand designing further a multiple floating fish cage system with flexible floaters application to offshore aquaculture.
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