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Author(s): Selahattin Kocaman; Galip Seckin; Kutsi S. Erduran
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Keywords: Bridge; compound channel; FLOW-3D; free surface profile; numerical modelling
Abstract: Computational fluid dynamics models have become well established as tools for simulating free surface flow over a wide range of structures. This study is an assessment and comparison of the performance of a commercially available three-dimensional numerical software, which solves the Reynolds-averaged Navier–Stokes equations, to predict the free surface profiles from up- to downstream of four different bridge types with and without piers in a compound channel. The model results were compared with the available experimental data. Comparisons indicate that the model provides a reasonably good description of free surface profiles under both gradually and rapidly varied flow conditions in the bridge vicinity, respectively.
DOI: https://doi.org/10.1080/00221686.2010.507340
Year: 2010