Summary
This numerical study presents a dynamic response analysis of an NREL 5 MW floating wind turbine based on the ITI Energy Barge platform, using hydrodynamic simulation (AQWA) with radiation/diffraction theory and finite element methods under combined wind and wave loading. Frequency-domain analysis shows that surge and heave responses decrease with increasing wave frequency, whilst pitch response exhibits a non-monotonic relationship. Time-domain analysis demonstrates that catenary mooring significantly enhances pitch stability and nacelle performance compared to unmoored configurations, with minimal effects on heave response and negligible roll and yaw motions.
Regional applicability
This research has limited direct applicability to Pulse Brain's core focus on farming systems, soil health and food-related topics. However, if relevant to UK offshore renewable energy infrastructure resilience or coastal land-use planning, the findings on floating platform stability could inform discussion of marine spatial planning or energy transition strategies.
Key measures
Surge, heave, pitch, roll and yaw response amplitudes; platform motion trajectories; frequency response characteristics; nacelle stability; mooring effectiveness
Outcomes reported
The study measured frequency-domain and time-domain dynamic responses of a 5 MW floating wind turbine platform under typical sea conditions, including surge, heave, pitch, roll and yaw motions. Platform stability was assessed both in free-floating and moored configurations using hydrodynamic simulation.
Topic tags
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