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Advances in Acoustics and Vibration
Volume 2011, Article ID 973591, 11 pages
Research Article

Dynamic Analysis of Wind Turbine Blades Using Radial Basis Functions

Department of Electrical Engineering, National Penghu University of Science and Technology, Penghu 880, Taiwan

Received 30 October 2010; Revised 11 April 2011; Accepted 11 April 2011

Academic Editor: K. M. Liew

Copyright © 2011 Ming-Hung Hsu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Wind turbine blades play important roles in wind energy generation. The dynamic problems associated with wind turbine blades are formulated using radial basis functions. The radial basis function procedure is used to transform partial differential equations, which represent the dynamic behavior of wind turbine blades, into a discrete eigenvalue problem. Numerical results demonstrate that rotational speed significantly impacts the first frequency of a wind turbine blade. Moreover, the pitch angle does not markedly affect wind turbine blade frequencies. This work examines the radial basis functions for dynamic problems of wind turbine blade.