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Dynamic Simulation for a Fish Cage System

[+] Author Affiliations
Chun-Woo Lee, Hyung-Seok Kim, Gun-Ho Lee, Kwi-Yeon Koo

Pukyong National University, Busan, Korea

Paper No. OMAE2005-67076, pp. 507-516; 10 pages
doi:10.1115/OMAE2005-67076
From:
  • ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering
  • 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2
  • Halkidiki, Greece, June 12–17, 2005
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 0-7918-4196-0 | eISBN: 0-7918-3759-9
  • Copyright © 2005 by ASME

abstract

This paper presents a physically based calculation model to simulate the behavior of a cage system considered as moored flexible structures. The flexible structure described is composed of a network of mass points and springs, the behavior of which is calculated using the implicit integration method of the fundamental law of dynamics. Also, to increase the accuracy of calculations, the reduction ratio of flow speed due to shielding effects is acquired by using the flume tank experiments. By applying the reduction ratio of flow speed to the numerical calculation, the calculation accuracy was increased, and it was found that the result of the simulated cage movements was very close to that of the model cage. In addition, the dynamic behavior of an actual fish cage system under the current and waves was simulated.

Copyright © 2005 by ASME

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