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Design and Optimization of Composite Offshore Wind Turbine Blades

Abstract : In order to obtain an optimal design of composite offshore wind turbine blade, take into account all the structural properties and the limiting conditions applied as close as possible to real cases. This work is divided into two stages: The aerodynamic design and the structural design. The optimal blade structural configuration was determined through a parametric study by using a finite element method. The skin thickness, thickness and width of the spar flange, and thickness, location, and length of the front and rear spar web were varied until design criteria were satisfied. The purpose of this article is to provide the designer with all the tools required to model and optimize the blades. The aerodynamic performance has been covered in this study using blade element momentum (BEM) method to calculate the loads applied to the turbine blade during service and extreme stormy conditions, and the finite element analysis was performed by using ABAQUS code to predict the most critical damage behavior and to apprehend and obtain knowledge of the complex structural behavior of wind turbine blades. The approach developed based on the nonlinear finite element analysis using mean values for the material properties and the failure criteria of Hashin to predict failure modes in large structures and to identify the sensitive zones.
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https://hal-ensta-bretagne.archives-ouvertes.fr/hal-02056451
Contributor : Claude Morvan <>
Submitted on : Monday, March 4, 2019 - 3:56:43 PM
Last modification on : Wednesday, June 3, 2020 - 11:42:30 AM

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Mostapha Tarfaoui, Owaisur Rahman Shah, M. Nachtane. Design and Optimization of Composite Offshore Wind Turbine Blades. Journal of Energy Resources Technology, American Society of Mechanical Engineers, 2019, 141 (5), pp.051204. ⟨10.1115/1.4042414⟩. ⟨hal-02056451⟩

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