Transactions of Nanjing University of Aeronautics & Astronautics
Special Issue for Wind Turbine
Modeling methods and Test verification of the root insert contact interface for wind turbine blade
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Abstract:
Two modeling methods of the root insert for wind turbine blade are presented in this paper, which are local mesh optimization method (LMOM) and global modeling method (GMM). Based on the optimized mesh of the local model for the metal contact interface, LMOM is proposed to analyze the load path and stress distribution characteristics. While GMM is used to calculate and analyze the stress distribution characteristics of the resin which is established between the bushing and composite layers of root insert. To validate the GMM, the tension test is carried out. The result successfully shows the shear strain expresses a similar strain distribution tendency with the GMM’s results.
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