This study delineates the development of the optimization framework for the preliminary design phase of Floating Offshore Wind Turbines(FOWTs),and the central challenge addressed is the optimization of the FOWT platfo...
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This study delineates the development of the optimization framework for the preliminary design phase of Floating Offshore Wind Turbines(FOWTs),and the central challenge addressed is the optimization of the FOWT platform dimensional parameters in relation to motion *** the three-dimensional potential flow(TDPF)panel method is recognized for its precision in calculating FOWT motion responses,its computational intensity necessitates an alternative approach for ***,a novel application of varying fidelity frequency-domain computational strategies is introduced,which synthesizes the strip theory with the TDPF panel method to strike a balance between computational speed and *** Co-Kriging algorithm is employed to forge a surrogate model that amalgamates these computational *** objectives are centered on the platform’s motion response in heave and pitch directions under general sea *** steel usage,the range of design variables,and geometric considerations are optimization *** angle of the pontoons,the number of columns,the radius of the central column and the parameters of the mooring lines are optimization *** informed the structuring of a multi-objective optimization model utilizing the Non-dominated Sorting Genetic algorithm Ⅱ(nsga-Ⅱ)*** the case of the IEA UMaine VolturnUS-S Reference Platform,Pareto fronts are discerned based on the above framework and delineate the relationship between competing motion response *** efficacy of final designs is substantiated through the time-domain calculation model,which ensures that the motion responses in extreme sea conditions are superior to those of the initial design.
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