This paper concerns the estimation of wave run-ups on a fixed surface-piercing square column. Experiments and numerical simulations were carried out under waves of different scattering parameters and steepnesses. The results of the run-up height ratio, force coefficient, velocity field, and scattered wave profile were shown and discussed. The reasonable agreement with the experimental results indicates the capability and reliability of the numerical model in the wave run-up prediction. The nonlinearity under short waves is mainly due to the interaction between the scattered waves and the next incident wave crest, while the wave-induced flow around the column becomes more influential under long waves. These nonlinearities are further intensified under steeper waves, and the run-up height ratio increases consequently. A correction factor of 1.2–1.3 can be applied to estimate the run-up height based on the linear potential prediction, but a higher factor of 1.3–1.4 is necessary under long and steep incident waves.
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ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
June 17–22, 2018
Madrid, Spain
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5127-2
PROCEEDINGS PAPER
Experimental and Numerical Investigations Into Wave Run-Up on Fixed Surface-Piercing Square Column
Zhichao Fang,
Zhichao Fang
Shanghai Jiao Tong University (SJTU), Shanghai, China
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Longfei Xiao,
Longfei Xiao
Shanghai Jiao Tong University (SJTU), Shanghai, China
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Yinghao Guo,
Yinghao Guo
Shanghai Jiao Tong University (SJTU), Shanghai, China
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Lijun Yang,
Lijun Yang
Shanghai Jiao Tong University (SJTU), Shanghai, China
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Wenyue Lu
Wenyue Lu
Shanghai Jiao Tong University (SJTU), Shanghai, China
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Zhichao Fang
Shanghai Jiao Tong University (SJTU), Shanghai, China
Longfei Xiao
Shanghai Jiao Tong University (SJTU), Shanghai, China
Yinghao Guo
Shanghai Jiao Tong University (SJTU), Shanghai, China
Lijun Yang
Shanghai Jiao Tong University (SJTU), Shanghai, China
Wenyue Lu
Shanghai Jiao Tong University (SJTU), Shanghai, China
Paper No:
OMAE2018-77726, V07BT06A049; 9 pages
Published Online:
September 25, 2018
Citation
Fang, Z, Xiao, L, Guo, Y, Yang, L, & Lu, W. "Experimental and Numerical Investigations Into Wave Run-Up on Fixed Surface-Piercing Square Column." Proceedings of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. Volume 7B: Ocean Engineering. Madrid, Spain. June 17–22, 2018. V07BT06A049. ASME. https://doi.org/10.1115/OMAE2018-77726
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