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    赵海盛

    • 副教授     博士生导师   硕士生导师
    • 性别:男
    • 毕业院校:南洋理工大学
    • 学位:博士
    • 所在单位:水利工程系
    • 学科:水工结构工程
    • 办公地点:大连理工大学 工程抗震试验大厅209房间
    • 联系方式:hzhao@dlut.edu.cn
    • 电子邮箱:HZHAO@dlut.edu.cn

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    Vibration control of a pentapod offshore wind turbine under combined seismic wind and wave loads using multiple tuned mass damper

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    论文类型:期刊论文

    发表时间:2021-01-10

    发表刊物:APPLIED OCEAN RESEARCH

    卷号:103

    ISSN号:0141-1187

    关键字:Offshore wind turbine; Earthquake analysis; Coupled model; Vibration control; MTMD

    摘要:The dynamic characteristics and coupling mechanisms of a bottom fixed offshore wind turbine (OWT) with a pentapod substructure under combined seismic, wind, and wave conditions are analyzed. A passive control method of a tuned mass damper (TMD) is then applied. The influence of the TMD parameters on the control effects of the OWT is investigated, and the feasible parameters for the vibration mitigation are recommended. Then, a multiple tuned mass damper (MTMD) with abundant tuning frequencies is developed in view of the limitation of the TMD on the vibration control. Both the local and global responses of the OWT can be significantly decreased by the MTMD, validating its wide applicability relative to the TMD. Furthermore, suggestions for designing the MTMD for an OWT under the seismic cases are summarized.