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- W2777061689 abstract "In order to accurately simulate strong three-dimensional (3-D) free surface flows and sediment transport, the fully 3-D non-hydrostatic pressure models are developed based on the incompressible Navier-Stokes equations and convection–diffusion equation of sediment concentration with the mixing triangle and quadrilateral grids. The governing equations are discretized with the unstructured finite volume method in order to provide conservation properties of mass and momentum, and flexibility with practical application. It is shown that it is first-order accurate on nonuniform plane two-dimensional (2-D) grids and second-order accurate on uniform plane grids. A third-order approximation of the vertical velocity at the top-layer is applied. In such a way, free surface zero stress boundary condition is satisfied maturely, and very few vertical layers are needed to give an accurate solution even for complex discontinuous flow and short wave simulation. The model is applied to four examples to simulate strong 3-D free surface flows and sediment transport where non-hydrostatic pressures have a considerable effect on the velocity field. The newly developed model is verified against analytical solutions with an excellent agreement." @default.
- W2777061689 created "2018-01-05" @default.
- W2777061689 creator A5021687717 @default.
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- W2777061689 date "2017-12-01" @default.
- W2777061689 modified "2023-10-16" @default.
- W2777061689 title "A higher-efficient non-hydrostatic finite volume model for strong three-dimensional free surface flows and sediment transport" @default.
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- W2777061689 doi "https://doi.org/10.1007/s13344-017-0084-4" @default.
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