Kocaman, SelahattinSeckin, GalipErduran, Kutsi S.2019-08-012019-08-0120100022-1686https://dx.doi.org/10.1080/00221686.2010.507340https://hdl.handle.net/11480/4959Computational 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.eninfo:eu-repo/semantics/closedAccessBridgecompound channelFLOW-3Dfree surface profilenumerical modellingArticle48452152510.1080/00221686.2010.5073402-s2.0-77956592268Q1WOS:000281759000013Q2