Floating Offshore Wind Turbines –3D hydro-dynamics coupled to advanced aeroelastic code
This scientific poster was presented at the 4th INORE symposium, which was held in Dartmouth, England, on 9-14 May 2010.
Abstract: The project deals with development of a mathematical model for prediction of aero-hydro-servo-elastic loading on floating offshore wind turbines. Based on literature review and for different selected environmental conditions, we concentrate on a Tension Leg Platform (TLP) configuration. Initially, a simplified model for the structure and wave loading procedure is being developed. Results from this model for the TLP configuration is benchmarked against those reported in the literature. Further, a wave load procedure which is taking into account the inertia and drag forces from the waves acting on the floater and the mooring system is being developed. Eventually, the wave load procedure will be coupled to a full, well-proven, aerodynamic code, which predicts the wind-generated loads on the wind turbine components in the time domain. An effective stochastic procedure, the First Order Reliability Method (FORM), will be applied to derive the extreme values and fatigue estimates for the total system. The feasibility of different configurations will thereby be evaluated.
Keywords: Floating oshore wind turbine; 3D hydrodynamics; aero-elasticity
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This presentation was given at the 4th INORE symposium, which was held in Dartmouth, England, on 9-14 May 2010.