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  • Numerical simulation of wave-current interaction using a RANS solver

    Author(s)
    Zhang, J-S
    Zhang, Y
    Jeng, D-S
    Liu, PL-F
    Zhang, C
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Year published
    2014
    Metadata
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    Abstract
    A numerical model is developed to study the wave propagation in the presence of a steady current flow. This model is based on Reynolds-Averaged Navier-Stokes (RANS) equations with k-ek-e turbulence closure scheme. A novel volume of fluid (VOF) method is applied to accurately capture the water free surface. The current flow is initialized by imposing a steady inlet velocity on one domain end and pressure outlet on the other end, while the desired wave is generated by an internal wave-maker from mass source term of mass conservation equation. Simulated water surface profile and velocity distribution agree well with experimental ...
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    A numerical model is developed to study the wave propagation in the presence of a steady current flow. This model is based on Reynolds-Averaged Navier-Stokes (RANS) equations with k-ek-e turbulence closure scheme. A novel volume of fluid (VOF) method is applied to accurately capture the water free surface. The current flow is initialized by imposing a steady inlet velocity on one domain end and pressure outlet on the other end, while the desired wave is generated by an internal wave-maker from mass source term of mass conservation equation. Simulated water surface profile and velocity distribution agree well with experimental measurements of Umeyama (2011), indicating that this model has a great ability in simulating wave-current interaction. The validated model is then used to investigate the effects of wave period and current velocity on regular wave-current induced water surface profile and velocity distribution. The propagation of a solitary wave traveling with a following/opposing current is also numerically investigated by this model.
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    Journal Title
    Ocean Engineering
    Volume
    75
    DOI
    https://doi.org/10.1016/j.oceaneng.2013.10.014
    Subject
    Civil Geotechnical Engineering
    Oceanography
    Civil Engineering
    Maritime Engineering
    Publication URI
    http://hdl.handle.net/10072/62465
    Collection
    • Journal articles

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