Experimental Generation of Solitary Waves by a Thin Bump Traveling on Sea Bed
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Title
- Experimental Generation of Solitary Waves by a Thin Bump Traveling on Sea Bed
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Author(s)
- Oh, Sang-Ho; Lee, Dal Soo; Choi, Jeongwhan
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Alternative Author(s)
- 오상호
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Publication Year
- 2018-05
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Abstract
- This study experimentally investigated characteristics of solitary waves that were generated by a thin bump horizontally traveling at a constant speed on sea bottom. The upper surface of the bump was convex shape having the maximum amplitude of 0.67 cm at its center. The bump was pulled at a varying speed for 7.5 m from the initial position and then abruptly stopped. The corresponding Froude number (F-r) ranged from 1.04, to 1.36. By analyzing the experimental data, three regimes of solitary wave generation were identified solely depending on the traveling speed of the bump, with a threshold value of F-r = 1.22. These results are in general well matched with previous researches on the generation of solitary waves by a pressure disturbance that moves either on the water surface or inside the water.
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ISSN
- 0749-0208
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/942
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DOI
- 10.2112/SI85-093.1
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Bibliographic Citation
- JOURNAL OF COASTAL RESEARCH, pp.461 - 465, 2018
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Publisher
- COASTAL EDUCATION & RESEARCH FOUNDATION
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Subject
- WATER-WAVES; PROPAGATION; TSUNAMIS; OCEAN
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Keywords
- Solitary wave; Wave generation; Moving bump; Fronde number
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Type
- Article
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Language
- English
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Document Type
- Article; Proceedings Paper
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