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  • Wave interaction with a perforated circular breakwater of non-uniform porosity

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    Author(s)
    Tao, Longbin
    Song, Hao
    Chakrabarti, Subrata
    Griffith University Author(s)
    Song, Hao
    Year published
    2009
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    Abstract
    Wave interaction with a porous cylindrical breakwater is studied analytically by linear potential wave theory. The breakwater is assumed to have a thin skin, is bottom-mounted and surface-piercing. The porosity of the breakwater is uniform vertically but varies in the circumferencial direction. This allows the choice of a partially impermeable wall or a vertical slot in the breakwater. Three different basic configurations of the breakwater are investigated, namely, (1) uniformly porous cylinder; (2) porous cylinder with partial impermeable wall; and (3) porous cylinder with an opening. The performance of these types of ...
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    Wave interaction with a porous cylindrical breakwater is studied analytically by linear potential wave theory. The breakwater is assumed to have a thin skin, is bottom-mounted and surface-piercing. The porosity of the breakwater is uniform vertically but varies in the circumferencial direction. This allows the choice of a partially impermeable wall or a vertical slot in the breakwater. Three different basic configurations of the breakwater are investigated, namely, (1) uniformly porous cylinder; (2) porous cylinder with partial impermeable wall; and (3) porous cylinder with an opening. The performance of these types of breakwaters is studied vs. wave parameters and breakwater configurations including angle and position of opening or partial impermeable wall as well as porosity. Parametric studies with regard to the wave-amplification factor, wave forces, and elevation contours are made. The results should be found useful in the design of coastal and offshore structures.
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    Journal Title
    Journal of Engineering Mathematics
    Volume
    65
    Issue
    3
    DOI
    https://doi.org/10.1007/s10665-009-9287-x
    Copyright Statement
    © 2009 Springer-Verlag. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. The original publication is available at www.springerlink.com
    Subject
    Applied mathematics
    Theoretical and applied mechanics
    Numerical and computational mathematics
    Mechanical engineering
    Publication URI
    http://hdl.handle.net/10072/30192
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    • Journal articles

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