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Buckling Analysis for Wind Turbine Tower Design: Thrust Load versus Compression Load Based on Energy Method

Author

Listed:
  • Yang Ma

    (Department of Civil Engineering, School of Engineering, University of Birmingham, Birmingham B15 2TT, UK)

  • Pedro Martinez-Vazquez

    (Department of Civil Engineering, School of Engineering, University of Birmingham, Birmingham B15 2TT, UK)

  • Charalampos Baniotopoulos

    (Department of Civil Engineering, School of Engineering, University of Birmingham, Birmingham B15 2TT, UK)

Abstract

Tubular steel towers are the most common design solution for supporting medium-to-high-rise wind turbines. Notwithstanding, historical failure incidence records reveal buckling modes as a common type of failure of shell structures. It is thus necessary to revisit the towers’ performance against bending-compression interactions that could unchain buckling modes. The present investigation scrutinises buckling performances of a cylindrical steel shell under combined load, by means of the energy method. Within the proposed framework, the differential equations to obtain dimensionless expressions showed the energy-displacement relations taking place along the shell surface. Furthermore, shell models integrated with initial imperfection have been embedded into finite element algorithms based on the Riks method. The results show buckling evolution paths largely affected by bending moments lead to section distortions (oval-shaped) that in turn change the strain energy dissipation routine and section curvature. The shell geometrical parameters also show a strong influence on buckling effects seemingly linked to a noticeable reduction of the shell bearing capacity during the combined loading scenarios.

Suggested Citation

  • Yang Ma & Pedro Martinez-Vazquez & Charalampos Baniotopoulos, 2020. "Buckling Analysis for Wind Turbine Tower Design: Thrust Load versus Compression Load Based on Energy Method," Energies, MDPI, vol. 13(20), pages 1-33, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:20:p:5302-:d:426662
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    Citations

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    Cited by:

    1. Lenci, Stefano, 2023. "Along-wind and cross-wind coupled nonlinear oscillations of wind turbine towers close to 1:1 internal resonance," Renewable and Sustainable Energy Reviews, Elsevier, vol. 187(C).
    2. Charis J. Gantes & Maria Villi Billi & Mahmut Güldogan & Semih Gül, 2021. "A Novel Tripod Concept for Onshore Wind Turbine Towers," Energies, MDPI, vol. 14(18), pages 1-25, September.
    3. Thanh-Tuan Tran & Sangkyun Kang & Daeyong Lee, 2022. "Improving Structural Safety of L-Type Flange Joint for Wind Towers," Energies, MDPI, vol. 15(23), pages 1-14, November.

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