Vibration analysis of one blade horizontal axis wind turbine

Authors

  • L. J. F. Ferreira Universidade Tecnológica Federal do Paraná, Campus Ponta Grossa, Rua Doutor Washington Subtil Chueire, 330 - Jardim Carvalho, Ponta Grossa PR Brasil. CEP: 84017-220
  • J. M. Balthazar Vibration analysis of one blade horizontal axis wind turbine
  • G. G. Lenzi Universidade Tecnológica Federal do Paraná, Campus Ponta Grossa, Rua Doutor Washington Subtil Chueire, 330 - Jardim Carvalho, Ponta Grossa PR Brasil. CEP: 84017-220 .
  • A. M. Tusset Universidade Tecnológica Federal do Paraná, Campus Ponta Grossa, Rua Doutor Washington Subtil Chueire, 330 - Jardim Carvalho, Ponta Grossa PR Brasil. CEP: 84017-220

Abstract

This work focuses on determining the natural frequencies, principal vibration modes and frequency response function (FRF) for a single blade of a horizontal axis wind turbine (HAWT). The turbine blade was modeled as a long structural element, considering the effects of axial deformation, bending and torsion. The equations of motion were discretized using the finite element method (FEM), where 3D beam elements with six degrees of freedom (DOF) per node were used. After discretization, the eigenvalue problem was solved to obtain the natural frequencies and vibration modes. The FRF was obtained considering the damped and undamped system. The results show that the frequencies are close to the HAWT's operating frequencies, so knowing the FRF with structural damping is essential for controlling the HWAT's vibration amplitudes so that it can operate within safe design limits.

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Published

05/31/2025

Issue

Vol. 16 No. 2 (2025): Mathematics in Engineering, Science and Aerospace (MESA)

Section

Articles