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Journal Articles Wind Engineering Year : 2020

Structural analysis of offshore wind turbine blades using finite element method

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Abstract

Wind energy is one among the most promising renewable energy sources, and hence there is fast growth of wind energy farm implantation over the last decade, which is expected to be even faster in the coming years. Wind turbine blades are complex structures considering the different scientific fields involved in their study. Indeed, the study of blade performance involves fluid mechanics (aerodynamic study), solids mechanics (the nature of materials, the type of solicitations horizontal ellipsis ), and the fluid coupling structure (IFS). The scope of the present work is to investigate the mechanical performances and structural integrity of a large offshore wind turbine blade under critical loads using blade element momentum. The resulting pressure was applied to the blade by the use of a user subroutine "DLOAD" implemented in ABAQUS finite element analysis software. The main objective is to identify and predict the zones which are sensitive to damage and failure as well as to evaluate the potential of composite materials (carbon fiber and glass fiber) and their effect on reduction of rotor's weight, as well as the increase of resistance to wear, and stiffness.
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Dates and versions

hal-02552067 , version 1 (23-04-2020)

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Hicham Boudounit, Mostapha Tarfaoui, Dennoun Saifaoui, Mourad Nachtane. Structural analysis of offshore wind turbine blades using finite element method. Wind Engineering, 2020, 44 (2), pp.168-180. ⟨10.1177/0309524X19849830⟩. ⟨hal-02552067⟩
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