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May 18, 2016
Simulating Sediment Transport around a Bridge Pier Using Open FOAM Software
Authors: Jaeho Shim [email protected], Jennifer Duan [email protected], and Hongki Jo [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2016
Abstract
In this study, the movement of sediment particles around a bridge pier was investigated using the OpenFOAM software. The object is to track the transport of sediment particles and get insight of scour hole forming processes around bridge piers. A three dimensional hydrodynamic model coupling with fluid-particle transport over mobile bed, CFDEM coupling open source, was used in this study. The motion of particles was resolved using a discrete element model (DEM), and the flow field was simulated by a computational fluid dynamics (CFD) model. To verify the simulated results of scour depth, experiments were conducted in an open channel flume by using a high speed camera. Flow velocity was obtained around the piers after processing the images captured by the camera. To verify the simulated results, the experiment data were compared with the simulated results of sediment transport and scour depth. This integrated numerical and experimental study allows us to investigate sediment dynamic at the particle scale.
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© 2016 American Society of Civil Engineers.
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Published online: May 18, 2016
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Dept. of Civil Engineering and Engineering Mechanics, Univ. of Arizona, Tucson, Arizona. E-mail: [email protected]
Dept. of Civil Engineering and Engineering Mechanics, Univ. of Arizona, Tucson, Arizona. E-mail: [email protected]
Dept. of Civil Engineering and Engineering Mechanics, Univ. of Arizona, Tucson, Arizona. E-mail: [email protected]
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