Journal
JOURNAL OF MARINE SCIENCE AND ENGINEERING
Volume 7, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/jmse7070224
Keywords
offshore wind turbine; earthquakes; motion control; integrated analysis model; TMD
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Funding
- National Natural Science Foundation of China [51879040]
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The dynamic characteristics of a bottom-fixed offshore wind turbine (OWT) under earthquakes are analyzed by developing an integrated analysis model of the OWT. Further, the influence of the interactions between the rotor and support system on the structural responses of the OWT subjected to an earthquake is discussed. Moreover, a passive control method using a tuned mass damper (TMD) is applied to the OWT to control the responses under earthquakes. The effects of the mass ratio, location and tuned frequency of the TMD on controlling structural responses of the OWT under different recorded seismic waves are studied.
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