Journal
RENEWABLE ENERGY
Volume 101, Issue -, Pages 550-564Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2016.09.019
Keywords
Jacket; Offshore wind turbines; Soil-structure interaction; Stochastic response analysis
Funding
- Department of Science and Technology, Government of India through Science and Engineering Research Board [SB/FTP/ETA-078/2014]
- Ministry of Human Resources, Government of India
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Wind turbines on jackets are being increasingly installed offshore. This paper attempts to investigate the effect of soil-structure interaction (SSI) on a jacket-offshore wind turbine (OWT) in a water depth of 70 m using JONSWAP spectrum. Stochastic responses of the OWT under varying soil profiles and met-ocean conditions are studied, by coupling the aerodynamic and hydrodynamic forces. From stochastic time domain response analyses, the SSI is observed to have significant influence in soft clay and layered soils at and above rated wind speeds whereas the dense sand have negligible influence. (C) 2016 Elsevier Ltd. All rights reserved.
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