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A Two-Phase Model for Sediment Transport in River Flow

Author(s): Massimo Greco; Michele Iervolino; Angelo Leopardi; Andrea Vacca

Linked Author(s): Michele Iervolino, Massimo Greco

Keywords: No Keywords

Abstract: The paper introduces a 2D depth averaged model for the analysis of river morphodynamics, based on a two-phase formulation. Mass and momentum conservation principles are separately imposed for both phases. The model naturally accounts for unsteady non-equilibrium solid transport, since neither instantaneous adaptation hypothesis nor any ad hoc differential equation is employed to represent sediment dynamics. Results from numerical simulations for a 2D test-case are compared with literature experimental data and with available numerical solutions.


Year: 2012

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