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Study on the Structural Strength Assessment of Mega Offshore Wind Turbine Tower

Author

Listed:
  • Jianlun Jiang

    (Department of Naval Architecture and Ocean Engineering, Kunsan National University, Gunsan 54150, Republic of Korea)

  • Han Koo Jeong

    (Department of Naval Architecture and Ocean Engineering, Kunsan National University, Gunsan 54150, Republic of Korea)

  • Haoyu Dou

    (Department of Naval Architecture and Ocean Engineering, Kunsan National University, Gunsan 54150, Republic of Korea)

Abstract

This study addresses the critical engineering challenges in the structural design of offshore wind turbine towers, focusing on enhancing resistance to extreme environmental loads. As the demand for renewable energy increases, the design of mega offshore wind turbines requires robust solutions for structural reliability and longevity. Using finite element analysis (FEA), this research evaluates the effectiveness of various internal stiffener designs—ring stiffeners, skeletal-type stiffeners, and their combinations—in reinforcing cylindrical offshore wind turbine towers against wind and wave forces. Detailed simulations model the physical behavior of different stiffener configurations, assessing parameters such as von Mises stress distributions, displacement and buckling under load. The results indicate that towers with combined stiffener designs exhibit superior structural resistance and reduced stress concentrations compared to those with singular stiffeners or none. These findings have significant implications for the design and construction of mega offshore wind turbines, highlighting the importance of integrating advanced stiffener configurations to improve structural stability in harsh marine environments.

Suggested Citation

  • Jianlun Jiang & Han Koo Jeong & Haoyu Dou, 2024. "Study on the Structural Strength Assessment of Mega Offshore Wind Turbine Tower," Energies, MDPI, vol. 18(1), pages 1-18, December.
    • Handle: RePEc:gam:jeners:v:18:y:2024:i:1:p:69-:d:1554951
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    References listed on IDEAS

    as
    1. Hyeonjeong Ahn & Yoon-Jin Ha & Kyong-Hwan Kim, 2023. "Load Evaluation for Tower Design of Large Floating Offshore Wind Turbine System According to Wave Conditions," Energies, MDPI, vol. 16(4), pages 1-18, February.
    2. Nafsika Stavridou & Efthymios Koltsakis & Charalampos C. Baniotopoulos, 2020. "Lattice and Tubular Steel Wind Turbine Towers. Comparative Structural Investigation," Energies, MDPI, vol. 13(23), pages 1-21, December.
    3. Hernandez-Estrada, Edwin & Lastres-Danguillecourt, Orlando & Robles-Ocampo, Jose B. & Lopez-Lopez, Andres & Sevilla-Camacho, Perla Y. & Perez-Sariñana, Bianca Y. & Dorrego-Portela, Jose R., 2021. "Considerations for the structural analysis and design of wind turbine towers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 137(C).
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