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  • Numerical Modeling of Seabed Response to Combined Wave-Current Loading

    Author(s)
    Zhang, J-S
    Zhang, Y
    Zhang, C
    Jeng, D-S
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Year published
    2013
    Metadata
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    Abstract
    In this paper, a numerical model is developed to study the dynamic response of a porous seabed to combined wave-current loadings. While the Reynolds-averaged Navier-Stokes equations with k e turbulence closure scheme and internal wave-maker function are solved for the phenomenon of wave-current interaction, Biot's poro-elastic "u p" model is adopted for the seabed response. After validated by the laboratory measurements, this model is applied for the investigation of the effects of waves and currents on the wave-current induced pore pressures. Furthermore, the effects of currents on maximum liquefaction depths of a porous ...
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    In this paper, a numerical model is developed to study the dynamic response of a porous seabed to combined wave-current loadings. While the Reynolds-averaged Navier-Stokes equations with k e turbulence closure scheme and internal wave-maker function are solved for the phenomenon of wave-current interaction, Biot's poro-elastic "u p" model is adopted for the seabed response. After validated by the laboratory measurements, this model is applied for the investigation of the effects of waves and currents on the wave-current induced pore pressures. Furthermore, the effects of currents on maximum liquefaction depths of a porous seabed is examined, and it is concluded that the opposite currents will increase the liquefaction depth up to 30% of that without currents.
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    Journal Title
    Journal of Offshore Mechanics and Arctic Engineering
    Volume
    135
    Issue
    3
    DOI
    https://doi.org/10.1115/1.4023203
    Copyright Statement
    Self-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the authors for more information.
    Subject
    Civil engineering
    Civil geotechnical engineering
    Maritime engineering
    Mechanical engineering
    Resources engineering and extractive metallurgy
    Publication URI
    http://hdl.handle.net/10072/56102
    Collection
    • Journal articles

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