DYNAMIC RESPONSE ANALYSIS OF MULTI-CORROSION-AGED FLOATING OFFSHORE WIND TURBINE

Li Jixu; Sun Chuanzong; Tian Haonan; Cong Xin; Yan Ming

doi:10.19912/j.0254-0096.tynxb.2023-0718

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (9) : 475-482. DOI: 10.19912/j.0254-0096.tynxb.2023-0718

DYNAMIC RESPONSE ANALYSIS OF MULTI-CORROSION-AGED FLOATING OFFSHORE WIND TURBINE

Li Jixu¹, Sun Chuanzong¹, Tian Haonan², Cong Xin³, Yan Ming¹

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Abstract

Corrosion affects the dynamic response characteristics of offshore wind turbines. In order to evaluate and predict the dynamic mechanical behavior and fatigue life of multi-corrosion aged offshore wind turbines, the parametric mathematical model of corrosion-floating wind turbines was established based on Lagrange equation and homogeneous corrosion model to analyze the dynamic response characteristics of multi-corrosion-aged offshore wind turbines. The results show that with the accumulation of corrosion age, the amplitude of bending frequency response becomes the main factor affecting the displacement movement of the tower top, the bending stress of the tower increases exponentially, and the fatigue life of the tower decreases sharply.

Key words

offshore wind turbines / Spar platforms / seawater corrosion / dynamic response / fatigue life

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Li Jixu, Sun Chuanzong, Tian Haonan, Cong Xin, Yan Ming. DYNAMIC RESPONSE ANALYSIS OF MULTI-CORROSION-AGED FLOATING OFFSHORE WIND TURBINE[J]. Acta Energiae Solaris Sinica. 2024, 45(9): 475-482 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0718

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