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http://dx.doi.org/10.5916/jkosme.2012.36.4.490

Method for Determining Thickness of Rubber Fenders of a Tripod Type Offshore Wind Turbine Substructure  

Lee, Kang-Su (사단법인 한국선급 녹색산업기술원)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.36, no.4, 2012 , pp. 490-496 More about this Journal
Abstract
The main object of this research is to minimize the shock effects which frequently result in fatal damage in offshore wind turbine on impact of barge. The collision between offshore wind turbine and barge is generally a complex problem and it is often impractical to perform rigorous finite element analyses to include all effects and sequences during the collision. On applying the impact force of a barge to the offshore wind turbine, the maximum acceleration, internal energy, and plastic strain are calculated for each load case using the finite element method. A parametric study is conducted with the experimental data in terms of the velocity of barge, thickness of the offshore wind turbine, and thickness and Mooney-Rivlin coefficient of the rubber fender. Through the analysis proposed in this study, it is possible to determine the proper size and material properties of the rubber fender and the optimal moving conditions of barge.
Keywords
Offshore wind turbine; Tripod; substructure; Impact analysis; Protection equipment; Strain; Internal energy; Rubber;
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