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Two-dimensional, two-phase granular sediment transport model with applications to scouring downstream of an apron

By L.O. Amoudry and P. L.-F. Liu

Abstract

We present a two-dimensional, two-phase model for non-cohesive sediment transport. This model solves concentration-weighted averaged equations of motion for both fluid and sediment phases. The model accounts for the interphase momentum transfer by considering drag forces. A collisional theory is used to compute the sediment stresses, while a two-equation (k–ε) fluid turbulence closure is implemented. A benchmark sediment transport problem concerning the scouring downstream of an apron is carried out as an example and numerical results agree with existing experimental data.\ud \u

Publisher: Elsevier
Year: 2009
DOI identifier: 10.1016/j.coastaleng.2009.01.006
OAI identifier: oai:nora.nerc.ac.uk:8358
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