Three-dimensional numerical study of a local scour downstream of a submerged sluice gate using two hydro-morphodynamic models, SedFoam and FLOW-3D - Université de Poitiers Accéder directement au contenu
Communication Dans Un Congrès Année : 2023

Three-dimensional numerical study of a local scour downstream of a submerged sluice gate using two hydro-morphodynamic models, SedFoam and FLOW-3D

Alaa Ghzayel
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  • PersonId : 1318472
Sébastien Jarny
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  • IdRef : 108946169

Résumé

Three-dimensional numerical simulations were performed, based on an experimental study of sediments scour process subjected to a water jet downstream of a submerged sluice gate with a rectangular opening at the bottom in a very confined channel. This experimental geometry, little studied in the literature, presents two particular phenomena in the dynamics of the scour process: a change of the dune form and a digging - refilling cycles of the scour. Two different hydromorphodynamic models, SedFoam and FLOW-3D, were used and calibrated according to the experimental data. SedFoam is a multiphase flow model based on the open-source tool-box OpenFOAM and uses a coupling method between the fluid and particles phases in the RANS equations through the dense granular rheology, while FLOW-3D is an CFD software that uses a sediment scour model to perform sediment transport through bedload and suspended load transport equations without direct coupling with the fluid phase.
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Dates et versions

hal-04316261 , version 1 (30-11-2023)

Identifiants

  • HAL Id : hal-04316261 , version 1

Citer

Alaa Ghzayel, Anthony Beaudoin, Sébastien Jarny. Three-dimensional numerical study of a local scour downstream of a submerged sluice gate using two hydro-morphodynamic models, SedFoam and FLOW-3D. Journée Simulation et Modélisation 2023, GT SIMON, Oct 2023, Poitiers, France. ⟨hal-04316261⟩
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