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Transmitted and reflected coefficients for horizontal or vertical plate type breakwater

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Abstract

Surface or submerged horizontal or vertical plate can be considered as a new concept breakwater. This paper investigates the wave-plate interaction of this type of breakwater by use of the boundary element method. The relationships of wave transmitted and reflected among plate thickness, submergence and length are carefully studied by numerical simulation. It is shown that: (1) The transmitted coefficients of submerged horizontal plate or vertical plate will become larger with the increase of plate thickness and reduce rapidly with the decrease of plate submergence. (2) Both surface horizontal and vertical plate are efficient for intermediate and short wave elimination, but vertical plate is more effective. (3) Submerged horizontal plate can act more effectively than submerged vertical plate does. With all wave frequencies, the vertical plate almost has no wave elimination effect.

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Authors and Affiliations

  1. Department of Engineering Mechanics, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, 116024, China

    Ke Wang  (王 科), Zhi-qiang Zhang  (张志强) & Wang Xu  (许 旺)

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  1. Ke Wang  (王 科)
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  2. Zhi-qiang Zhang  (张志强)
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  3. Wang Xu  (许 旺)
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Corresponding author

Correspondence to Ke Wang  (王 科).

Additional information

This work was financially supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of Education of China (Grant No. 2007[24]) and supported by Science and Technology Project of Dalian (Grant No. 2008A16GX248).

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Wang, K., Zhang, Zq. & Xu, W. Transmitted and reflected coefficients for horizontal or vertical plate type breakwater. China Ocean Eng 25, 285–294 (2011). https://doi.org/10.1007/s13344-011-0023-8

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  • DOI: https://doi.org/10.1007/s13344-011-0023-8

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