Characterization of vortex-shedding regimes and lock-in response of a wind turbine airfoil with two high-fidelity simulation approaches

Ricardo Fernandez-Aldama, George Papadakis, Oscar Lopez-Garcia, Sergio Avila-Sanchez, Vasilis A. Riziotis, Alvaro Cuerva-Tejero, and Cristobal Gallego-Castillo

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Cumulative views and downloads (calculated since 31 Jul 2024)

Month	HTML	PDF	XML	Total
Jul 2024	22	7	1	30
Aug 2024	166	61	10	237
Sep 2024	84	9	107	200
Oct 2024	51	20	71	142
Nov 2024	21	2	48	71
Dec 2024	10	7	51	68
Jan 2025	196	43	59	298
Feb 2025	73	16	51	140
Mar 2025	86	20	61	167
Apr 2025	62	10	35	107

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Latest update: 23 Apr 2025

Short summary

As longer wind turbine blades are designed, concern about vortex-induced vibration (VIV) grows. This study identifies a new intermittent vortex-shedding behaviour through a long-time simulation of a 3D wind turbine airfoil. This finding motivates a novel evaluation of airfoil vibrations at different inflow velocities. Our results show that both 2D and 3D simulations predict similar VIV characteristics during large motions, enhancing our understanding and prediction of VIV in turbine blades.