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Representative transmission coefficient for evaluating the wave attenuation performance of 3D floating breakwaters in regular and irregular waves
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Abstract
Wave attenuation performance is the prime consideration when designing any floating breakwater. For a 2D hydrodynamic analysis of a floating breakwater, the wave attenuation performance is evaluated by the transmission coefficient, which is defined as the ratio between the transmitted wave height and the incident wave height. For a 3D breakwater, some researchers still adopted this evaluation approach with the transmitted wave height taken at a surface point, while others used the mean transmission coefficient within a surface area. This paper aims to first examine the rationality of these two evaluation approaches via verified numerical simulations of 3D heave-only floating breakwaters in regular and irregular waves. A new index—a representative transmission coefficient—is then presented for one to easily compare the wave attenuation performances of different 3D floating breakwater designs
Item Type: | Article |
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Authors/Creators: | Nguyen, HP and Park, JC and Han, M and Wang, CM and Abdussamie, N and Penesis, I and Howe, D |
Keywords: | floating breakwater, wave attenuation performance, transmission coefficient, regular wave, irregular wave |
Journal or Publication Title: | Journal of Marine Science and Engineering |
Publisher: | MDPI AG |
ISSN: | 2077-1312 |
DOI / ID Number: | 10.3390/jmse9040388 |
Copyright Information: | Copyright 2021 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ |
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