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Zonal Coupling Analysis Method of Seismic Response of Offshore Monopile Wind Turbine
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作者 XU Xiaofeng CHEN Shaolin SUN Jie 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI CSCD 2024年第S01期103-110,共8页
The seismic safety of offshore wind turbines is an important issue that needs to be solved urgently.Based on a unified computing framework,this paper develops a set of seawater-seabed-wind turbine zoning coupling anal... The seismic safety of offshore wind turbines is an important issue that needs to be solved urgently.Based on a unified computing framework,this paper develops a set of seawater-seabed-wind turbine zoning coupling analysis methods.A 5 MW wind turbine and a site analysis model are established,and a seismic wave is selected to analyze the changes in the seismic response of offshore monopile wind turbines under the change of seawater depth,seabed wave velocity and seismic wave incidence angle.The analysis results show that when the seawater increases to a certain depth,the seismic response of the wind turbine increases.The shear wave velocity of the seabed affects the bending moment and displacement at the bottom of the tower.When the angle of incidence increases,the vertical displacement and the acceleration of the top of the tower increase in varying degrees. 展开更多
关键词 offshore monopile wind turbine seismic response analysis soil-junction interactions fluid-structure inter-action
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