![]() ![]() In summary, this study provides a perspective for the engineering design and hydrodynamic analysis of a hybrid wind turbine foundation with a double-layer aquaculture cage. Moreover, the radius and thickness of the friction wheel have a non-negligible influence on the force acting on the structure, which also narrows the intervals between adjacent sloshing frequencies. ![]() For the common fishing nets with large porosities, the spacing between the nets does not have a significant impact on the wavefield and wave force acting on the structure. Sloshing modes were observed that impacted the force and wave elevation at certain frequencies. At downstream sites, the wavefield exhibits different profiles, particularly for structures with low porosities. Noticeable differences in the wave elevation were observed between the upstream and downstream sides of the nets. The wavefield and wave force were calculated and analyzed by setting different porosity parameters, spacings between the exterior net and interior net, radius ratios of the exterior net to the wind turbine tower and thicknesses of the friction wheel. An empirical formula was derived to calculate the porosity parameter based on the opening ratios of the nets. The model was validated based on existing numerical results and experimental data. ![]() A porosity parameter was introduced to describe the hydrodynamic characteristics of the net panels. To study the diffraction and hydrodynamic loads on the structure for waves with small steepness, a numerical model was established using linear potential theory and solved using the eigenfunction expansion method. 2Fisheries College, Ocean University of China, Qingdao, ChinaĪ hybrid wind turbine foundation combined with a double-layer offshore net cage for marine aquaculture is proposed in this paper.1State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, China.Xiaokang Zhu 1, Guohai Dong 1, Chunwei Bi 2* and Yunpeng Zhao 1 ![]()
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