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- Title
A short note on the simulation of turbulent stratified flow and mobile bed interaction using the continuum coupled flow and morphodynamics model.
- Authors
Khosronejad, Ali; Sotiropoulos, Fotis
- Abstract
This paper aims at addressing issues related to the misrepresentation of the turbulent stratified flow for sand wave simulation using the continuum coupled flow and morphodynamics modeling approach. continuum flow and morphodynamics frameworks often consider the contributions of (i) suspended sediment-load in the sediment mass-balance equation and (ii) stratification in the equations of fluid motion. We argue that omitting these contributions could impact the numerical simulation results of transverse sand wave development at the late stages of bed evolution. We support our argument by presenting a numerical analysis, which attempts to quantify the impact of the stratification and suspended sediment-load on the calculated bed topography during various stages of transverse sand wave evolution in a mobile bed flume.
- Subjects
TURBULENT flow; SAND waves; EQUATIONS of motion; SHEAR waves; STRATIFIED flow; BEDS; TURBULENT mixing
- Publication
Environmental Fluid Mechanics, 2020, Vol 20, Issue 6, p1511
- ISSN
1567-7419
- Publication type
Article
- DOI
10.1007/s10652-020-09752-8