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Large eddy simulation of extreme hydrodynamic forces on structures with mitigation walls using OpenFOAM

Author

Listed:
  • Samieh Sarjamee

    (University of Ottawa)

  • Ioan Nistor

    (University of Ottawa)

  • Abdolmajid Mohammadian

    (University of Ottawa)

Abstract

The objective of this study is to evaluate the performance of a large eddy simulation (LES) numerical model to assess the influence of mitigation walls with various cross sections on the tsunami-induced loading exerted on a freestanding structure. The validation of the model was performed using laboratory experiment results previously conducted by the second author. The employed experiments simulated a tsunami-like bore at two different impoundment depths, including 55 and 85 cm. The results showed that the one-equation subgrid-scale energy transport LES approach performs better than RANS models such as k-ε, k-ω and LRR and can accurately reproduce experimental data obtained for a wide range of experimental conditions.

Suggested Citation

  • Samieh Sarjamee & Ioan Nistor & Abdolmajid Mohammadian, 2017. "Large eddy simulation of extreme hydrodynamic forces on structures with mitigation walls using OpenFOAM," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 85(3), pages 1689-1707, February.
    • Handle: RePEc:spr:nathaz:v:85:y:2017:i:3:d:10.1007_s11069-016-2658-5
    DOI: 10.1007/s11069-016-2658-5
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    References listed on IDEAS

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    1. Yu Huang & Chongqiang Zhu, 2015. "Numerical analysis of tsunami–structure interaction using a modified MPS method," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 75(3), pages 2847-2862, February.
    2. Huaxing Liu & Jing Li & Songdong Shao & Soon Tan, 2015. "SPH modeling of tidal bore scenarios," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 75(2), pages 1247-1270, January.
    3. Steven Douglas & Ioan Nistor, 2015. "On the effect of bed condition on the development of tsunami-induced loading on structures using OpenFOAM," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 76(2), pages 1335-1356, March.
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