TY - JOUR
T1 - Dynamics of dual pontoon floating structure for cage aquaculture in a two-dimensional numerical wave tank
AU - Tang, Hung Jie
AU - Huang, Chai Cheng
AU - Chen, Wei Ming
N1 - Funding Information:
The authors acknowledge the support in part by the National Science Council ( NSC99-2221-E-110-092 ), and sponsored by the Fisheries Agency ( 98A10083 ), Council of Agriculture of Taiwan. Also, discussions with Professor John R.C. Hsu for several concepts are deeply appreciated.
PY - 2011/10
Y1 - 2011/10
N2 - The trend of using floating structures with cage aquaculture is becoming more popular in the open sea. The purpose of this paper is to investigate the dynamic properties of a dual pontoon floating structure (DPFS) when attached to a fish net by using physical and numerical models. A two-dimensional (2-D) fully nonlinear numerical wave tank (NWT), based on the boundary element method (BEM), is developed to calculate the wave forces on the DPFS. The wave forces on a fish net system are then evaluated using a modified Morison equation. The comparisons of dynamic behaviors between numerical simulations and experimental measurements on the DPFS show good agreement. Results also display that a fish net system causes the resonant response of body motions and mooring forces to be slightly lower due to the net's damping effect. Finally, for designing the rearing space of cage aquaculture, the influences which net depth and net width have on the DPFS dynamic responses are also presented in this paper.
AB - The trend of using floating structures with cage aquaculture is becoming more popular in the open sea. The purpose of this paper is to investigate the dynamic properties of a dual pontoon floating structure (DPFS) when attached to a fish net by using physical and numerical models. A two-dimensional (2-D) fully nonlinear numerical wave tank (NWT), based on the boundary element method (BEM), is developed to calculate the wave forces on the DPFS. The wave forces on a fish net system are then evaluated using a modified Morison equation. The comparisons of dynamic behaviors between numerical simulations and experimental measurements on the DPFS show good agreement. Results also display that a fish net system causes the resonant response of body motions and mooring forces to be slightly lower due to the net's damping effect. Finally, for designing the rearing space of cage aquaculture, the influences which net depth and net width have on the DPFS dynamic responses are also presented in this paper.
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U2 - 10.1016/j.jfluidstructs.2011.06.009
DO - 10.1016/j.jfluidstructs.2011.06.009
M3 - Article
AN - SCOPUS:80052268468
SN - 0889-9746
VL - 27
SP - 918
EP - 936
JO - Journal of Fluids and Structures
JF - Journal of Fluids and Structures
IS - 7
ER -