Journal
INTERNATIONAL JOURNAL OF NAVAL ARCHITECTURE AND OCEAN ENGINEERING
Volume 8, Issue 1, Pages 53-65Publisher
SOC NAVAL ARCHITECTS KOREA
DOI: 10.1016/j.ijnaoe.2015.10.002
Keywords
Floating breakwater; Transmission coefficient; Motion responses; Porous side plates
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Funding
- Korea Institute of Energy Research - Korea Institute of Energy Technology Evaluation and Planning
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The interaction between incident waves and a floating rectangular breakwater with the vertical porous side plates has been investigated in the context of the two-dimensional linear potential theory. The matched eigenfunction expansion method(MEEM) for multiple domains is applied to obtain the analytic solutions. The, dependence of the transmitted coefficients and motion responses on the design parameters, such as porosity and protruding depth of side plates, is systematically analyzed. It is found that the non-dimensional wavelength where the sudden drop of transmission coefficients occurs, corresponds to the heave resonant frequency obtained from Ruol et al. (2013) for pi-type floating breakwater. It is concluded that both properly selected porosity and deeper protruding depth of side plates are helpful in reducing the transmission coefficients and also extending the wider applicable extent of incident wavelength for performance enhancement. Copyright (C) 2016 Production and hosting by Elsevier B.V. on behalf of Society of Naval Architects of Korea.
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