Computational fluid dynamics reveals optimal heave plate designs to enhance platform stability for FOWTs, suggesting critical insights for offshore wind technology.
Floating offshore wind turbines (FOWTs) hold great potential in renewable energy. Heave plates are critical for enhancing platform stability. This study employs Computational Fluid Dynamics (CFD) to analyze free decay motions of semi-submersible platforms with different heave plate designs. Natural periods and damping coefficients are compared to identify the optimal configuration. Results reveal larger vortices around plates with greater edge ratios, improving damping performance. CFD findings are validated through wave basin decay tests, showing strong agreement. The best-performing design is further evaluated under operational and extreme conditions, including mooring line failure. Motion responses remain within acceptable limits, demonstrating robust stability. The study highlights the significant role of heave plate geometry in reducing platform motion and displacement, providing practical guidance for FOWT platform design and contributing to advancements in offshore wind technology.
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Li et al. (2025) studied this question.
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