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dc.contributor.authorBisoi S.en_US
dc.contributor.authorHaldar S.en_US
dc.description.abstractA comprehensive study is performed on the dynamic behavior of offshore wind turbine (OWT) structure supported on monopile foundation in clay. The system is modeled using a beam on nonlinear Winkler foundation model. Soil resistance is modeled using American Petroleum Institute based cyclic p-y and t-z curves. Dynamic analysis is carried out in time domain using finite element method considering wind and wave loads. Several parameters, such as soil-monopile-tower interaction, rotor and wave frequencies, wind and wave loading parameters, and length, diameter and thickness of monopile affecting the dynamic characteristics of OWT system and the responses are investigated. The study shows soil-monopile-tower interaction increases response of tower and monopile. Soil nonlinearity increases the system response at higher wind speed. Rotor frequency is found to have dominant role than blade passing frequency and wave frequency. Magnitude of wave load is important for design rather than resonance from wave frequency. � 2014 Elsevier Ltd.en_US
dc.subjectOffshore wind turbineen_US
dc.subjectSoil nonlinearityen_US
dc.subjectSoil-structure interactionen_US
dc.subjectWind and wave loadingen_US
dc.titleDynamic analysis of offshore wind turbine in clay considering soil-monopile-tower interactionen_US
Appears in Collections:Research Publications

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