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Impact of calibrated soil-monopile-interaction model on resonance frequencies
Boekbijdrage - Boekhoofdstuk Conferentiebijdrage
Offshore wind turbines (OWTs) are sensitive, dynamic structures that require accurate estimation of the natural frequency of the support structure. This requires an integrated analysis of the wind turbine structure, including a realistic representation of the foundation response. This paper studies how the natural frequency analysis is influenced by the soil-monopile interaction model following the PISA guidance. A case study of an instrumented OWT at a Belgian offshore wind farm is presented. Comparing results between the calculated and monitored natural frequencies clearly demonstrates that a realistic representation of the foundation stiffness is crucial for accurate calculation of the OWT dynamics. The integrated analysis of the OWT based on the calibrated foundation model yields very accurate results.
Boek: Journal of Physics: Conference Series
Edition: 3
Series: Journal of Physics: Conference Series
Volume: 2265
Pagina's: 1-10
Aantal pagina's: 10
Jaar van publicatie:2022
Toegankelijkheid:Open