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Offshore Hydrogen Infrastructure: Insights from CFD Simulations of Wave–Cylinder Interactions at Various Cross-Sections

Author

Listed:
  • Mohammad Mohseni

    (Ocean Engineering Department, COPPE—Federal University of Rio de Janeiro, P.O. Box 68508, Rio de Janeiro CEP 21945-970, RJ, Brazil)

  • Mohammad Yazdi

    (School of Engineering, Faculty of Science and Engineering, Macquarie University, Sydney, NSW 2109, Australia)

Abstract

CFD-based numerical wave tank models are valuable tools for analyzing the nonlinear interaction between waves and structures. This paper aims to examine the deformation of high-order free surfaces near a vertical, surface-piercing fixed cylinder with various cross-sections under regular head waves, assuming no wave breaking. Additionally, the study investigates the effects of wavelength on wave evolution, nonlinear wave amplification, and the harmonics around the cylinder. The numerical analysis is performed using the CFD toolbox OpenFOAM. The comparison of numerical results for different cross-sections reveals the influence of corner ratio on lateral edge waves and highlights its significant impact on the nonlinear wave field around the cylinder, particularly for short incident waves. The numerical results indicate the important contribution of the cross-section shape together with the corner effect on the lateral edge waves and accordingly the nonlinear wave field surrounding the given column, which involves high harmonics wave amplification up to fourth. The reduction in corner ratio results in a reduction in maximum run-up height from 2.57 to 2.2 in short waves, while for the long waves, it is from 1.61 to 1.45. This research not only enhances our understanding of fluid–structure interactions but also has implications for the design and safety of hydrogen storage and transportation systems. Understanding dynamic pressures and structural responses is crucial for these applications. CFD simulations of wave–cylinder interactions are essential for designing and optimizing offshore hydrogen infrastructure. These simulations model how waves interact with cylindrical structures, such as wind turbine foundations, hydrogen production platforms, and storage tanks. Understanding these interactions is vital for ensuring the structural integrity, efficiency, and sustainability of offshore hydrogen facilities.

Suggested Citation

  • Mohammad Mohseni & Mohammad Yazdi, 2024. "Offshore Hydrogen Infrastructure: Insights from CFD Simulations of Wave–Cylinder Interactions at Various Cross-Sections," Sustainability, MDPI, vol. 16(19), pages 1-33, September.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:19:p:8309-:d:1484710
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