Dynamic Analysis of a Single Point Mooring Marine Aquaculture Cage

Khodabandeloufar, Javad; Gharechae, Ataollah

doi:10.61186/marineeng.20.44.8

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Volume 20, Issue 44 (10-2024) Marine Engineering 2024, 20(44): 85-95 | Back to browse issues page

‎ 10.61186/marineeng.20.44.8

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Khodabandeloufar J, Gharechae A. Dynamic Analysis of a Single Point Mooring Marine Aquaculture Cage. Marine Engineering 2024; 20 (44) :85-95
URL: http://marine-eng.ir/article-1-1132-en.html

Dynamic Analysis of a Single Point Mooring Marine Aquaculture Cage

Javad Khodabandeloufar¹

, Ataollah Gharechae ^*¹

1- Chabahar Maritime University

Abstract: (772 Views)

Given the increase in marine aquaculture, designing safe and efficient structures for this purpose is important. The triangular frame in vessel-shaped floating fish farming platforms, by being located at the point of wave impact with the cage, causes wave breaking and reduces its energy, thereby reducing vertical accelerations and reducing the tension force of the mooring lines and creating a safer environment than high-density polyethylene cages. In this research, the dynamic of a sample of these cages with a single mooring system has been studied in marine water conditions near Chabahar Port using the Orcaflex software. The numerical model has first been validated with experimental results. The results show that the vertical accelerations of the main platform are significantly lower than the triangular platform located in front of the cage. Increasing the number of floating square platforms reduces the vertical acceleration of the platforms. The maximum vertical acceleration applied to the platform for local waves in Chabahar is 0.9 m/s² when using a square platform and 0.35 m/s² when using two square platforms. Also, the Root Mean Square (RMS) values of the vertical acceleration of the cages are 0.21 and 0.13 m/s², respectively. The low value of vertical accelerations provides a calm environment for activity in the cage and minimizes stress and emotional movements of aquatic animals inside the cage, which is important in the economic efficiency of the cage. Considering the focus of the research on the marine conditions of Chabahar Port, these cages are recommended for installation in the coastal waters of southern Iran

Keywords: Marine Aquaculture, Single Point Mooring Cage, Vessel-Shaped Cage, Vertical Acceleration, Orcaflex Software

Full-Text [PDF 2397 kb] (232 Downloads)

Type of Study: Research Paper | Subject: Offshore Hydrodynamic
Received: 2024/10/10 | Accepted: 2024/12/25

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