https://scholars.lib.ntu.edu.tw/handle/123456789/576820
Title: | Interactions of solitary wave with a submerged step: Experiments and simulations | Authors: | Chao W.-T Liang S.-J Young C.-C CHAO-LUNG TING |
Keywords: | Breakwaters; Energy dissipation; Hydraulics; Shore protection; Water waves; Breakwater design; Coastal protection; Flowfield visualization; Model simulation; Nonhydrostatic model; Numerical experiments; Numerical results; Optimal combination; Solitons; coastal protection; energy dissipation; finite element method; model validation; renewable resource; simulation; solitary wave; visualization; wave height | Issue Date: | 2021 | Journal Volume: | 13 | Journal Issue: | 9 | Source: | Water (Switzerland) | Abstract: | A series of experiments exploring the propagation of a solitary wave over a submerged step were performed using a flow-field visualization measurement system, an image-connection technique as well as model simulations. The experimental data were used to validate a one-layer finite-element non-hydrostatic model and a multi-layer finite-difference non-hydrostatic σ model for various submerged step configurations and wave conditions—combinations of step height ratios d/h, width ratios B/h and solitary wave height ratios H/h, where d denotes the step height, B the step width, H the solitary wave height, and h the still water depth. The main differences between the numerical results and the experimental data are highlighted. The effect of the height and width of the submerged step as well as the wave height of the solitary wave are quantified in terms of reflection (R), transmission (T), and energy dissipation (D). Through a series of numerical experiments, an optimal combination of the height ratio d/h, width ratio B/h, and solitary wave height ratio H/h for breakwater design for coastal protection is suggested. ? 2021 by the authors. Licensee MDPI, Basel, Switzerland. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85105925672&doi=10.3390%2fw13091302&partnerID=40&md5=45fa1d3f7b3aa3858d49cb8d9fe430df https://scholars.lib.ntu.edu.tw/handle/123456789/576820 |
ISSN: | 20734441 | DOI: | 10.3390/w13091302 | SDG/Keyword: | Breakwaters; Energy dissipation; Hydraulics; Shore protection; Water waves; Breakwater design; Coastal protection; Flowfield visualization; Model simulation; Nonhydrostatic model; Numerical experiments; Numerical results; Optimal combination; Solitons; coastal protection; energy dissipation; finite element method; model validation; renewable resource; simulation; solitary wave; visualization; wave height |
Appears in Collections: | 工程科學及海洋工程學系 |
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