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Wave interaction with a new type perforated breakwater

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Abstract

In this study examined is the wave interaction with a new modified perforated breakwater, consisting of a perforated front wall, a solid back wall and a wave absorbing chamber between them with a two-layer rock-filled core. The fluid domain is divided into three sub-domains according to the components of the breakwater. Then by means of the matched eigenfunction expansion method, an analytical solution is obtained to assess the hydrodynamic performance of the new structure. An approach based on a step approach method is introduced to solve the complex dispersion equations for water wave motions within two-layer porous media. Numerical results of the present model are compared with previous limiting cases. The effects of rock fill on the reflection coefficient and the horizontal wave force are discussed.

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Authors and Affiliations

  1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116024, China

    Yong Liu, Yucheng Li & Bin Teng

  2. R&D Center for Civil Engineering Technology, Dalian University, Dalian, 116622, China

    Yucheng Li

Authors
  1. Yong Liu
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  2. Yucheng Li
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  3. Bin Teng
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Corresponding author

Correspondence to Yucheng Li.

Additional information

The project supported by the Program for Changjiang Scholars and Innovative Research Teams in Universities (IRT0420). The English text was polished by Keren Wang.

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Liu, Y., Li, Y. & Teng, B. Wave interaction with a new type perforated breakwater. Acta Mech Sin 23, 351–358 (2007). https://doi.org/10.1007/s10409-007-0086-1

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  • DOI: https://doi.org/10.1007/s10409-007-0086-1

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