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.
Published Version
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