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Efficient meshing of a wind turbine blade using force adaptive mesh sizing functions

Author

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  • Maheri, Alireza
  • Noroozi, Siamak
  • Toomer, Chris A.
  • Vinney, John

Abstract

This paper describes mesh sizing functions for discretization of a wind turbine blade as a shell structure. Two different functions, one along the blade span and the other chord-wise, are presented. The effect of the magnitude of the aerodynamic force has been considered in a span-wise mesh sizing function to obtain a force-adaptive mesh generator, applicable when the blade needs to be analysed as a part of an aero-structure problem. The direction of the aerodynamic force has been considered in the chord-wise mesh sizing function to improve the mesh efficiency. Results show a large improvement in the rate of convergence when the direction of the external force contributes towards the chord-wise mesh size.

Suggested Citation

  • Maheri, Alireza & Noroozi, Siamak & Toomer, Chris A. & Vinney, John, 2007. "Efficient meshing of a wind turbine blade using force adaptive mesh sizing functions," Renewable Energy, Elsevier, vol. 32(1), pages 95-104.
  • Handle: RePEc:eee:renene:v:32:y:2007:i:1:p:95-104
    DOI: 10.1016/j.renene.2005.12.005
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