Finite Element Modal Analysis of Large-Scale Composite Wind Turbine Blade

Abstract:

This paper presents a dynamic response analysis of the blade of horizontal axis wind turbines using finite element method. The blade is treated as a thin-walled beam based on the classical lamination theory, and accounts for arbitrary material layup and non-linear anisotropic fibre-reinforced composites. Applying the proposed method,A 29 m rotor blade, previously reported in specialized literature, was chosen as a case study the dynamic behaviour built in a FEM software tool. It is developed to predict natural frequencies and corresponding vibration modes in rotating blade in-plane and out-of-plane. Numerical results are serve as a design tool for the large composite wind turbine blade structure required during design and optimization.

• Periodical: Advanced Materials Research (Volumes 694-697)
• Pages: 453-457
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.694-697.453
• Online since: May 2013
• Authors: Yu Qiao Zheng, Rong Zhen Zhao, Hong Liu
• Keywords: Blade, Finite Element Analysis (FEA), Modal Analysis, Wind Turbine (WT)

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