Abstract
In the present study, the hydrodynamic response of the novel semi-submersible floating wind turbine (FOWT) platform “Three Gorges Leading (TGL)" was investigated under the actions of wind, current, and wave load and mooring recovery force. AQWA based on potential flow theory was used to establish the hydrodynamic model of the platform and calculate the hydrodynamic coefficients and frequency domain hydrodynamic response. Premised on the hydrodynamic model, the influence of environmental parameters on the hydrodynamic response of the platform was specifically analyzed, the Kriging-MOGA algorithm was used to establish an approximate prediction model for the frequency domain hydrodynamic response of the platform, and the time domain response of the platform under the predicted hazardous conditions was analyzed using FAST-AQWA (F2A) under the action of aerodynamic-hydrodynamic coupling. Findings were made that the hydrodynamic response of the platform was significantly affected by the aerodynamic load of the blades, and the novel semi-submersible platform was verified to meet the operating requirements of offshore floating wind turbines.
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