Surface gravity wave interaction with a submerged tunnel in the presence of a submerged wavy porous plate

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-10-03 DOI:10.1177/14750902231200156

Amar K Mohapatra, Trilochan Sahoo

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Abstract

The present study deals with the surface gravity wave interaction of a submerged composite wavy porous plate in the presence of a tunnel placed at a finite distance under the assumption of small amplitude theory and a two-dimensional framework. To solve the boundary value problem, a numerical method using the multi-domain boundary element method (MDBEM) is implemented. Hydrodynamic characteristics of interest such as reflection coefficient and transmission coefficient are computed and studied for a wide range of dimensionless wavenumber and relative plate lengths. Various parametric studies are conducted to emphasize the effect of structural parameters like the number of relative ripple wavelengths, relative ripple amplitude, and relative submergence depth. Dimensionless wave force coefficients acting on the plate and the tunnel are calculated and investigated. The study reveals that the presence of composite wavy porous plate has a significant effect in the mitigation of wave-exerted force on the tunnel. Optimized results are shown for the efficient design of coupled breakwater and tunnel models, which can be used beneficially to protect against the severity of wave action in similar applications of ocean engineering in marine environments.

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水下波状多孔板存在时，表面重力波与水下隧道的相互作用

本文在小振幅理论和二维框架的假设下，研究了有有限距离隧道存在的水下复合波浪多孔板的表面重力波相互作用。为了解决边界值问题，采用多域边界元法(MDBEM)进行了数值求解。在无量纲波数和相对板长范围内，计算和研究了反射系数和透射系数等感兴趣的水动力特性。进行了各种参数研究，以强调结构参数的影响，如相对波纹波长的数量、相对波纹振幅和相对淹没深度。计算和研究了作用在板和隧道上的无量纲波浪力系数。研究表明，复合波浪多孔板的存在对减缓隧道波浪力有显著作用。本文的优化结果为防波堤和隧道耦合模型的有效设计提供了理论依据，可为海洋工程中类似的波浪作用防护应用提供有益的借鉴。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.