Coastal morphodynamical modelling in nonlinear shallow water framework using a coordinate transformation method

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Huynh, Van Long, Dodd, Nicholas and Zhu, Fangfang (2017) Coastal morphodynamical modelling in nonlinear shallow water framework using a coordinate transformation method. Advances in Water Resources, 107 . pp. 326-335. ISSN 0309-1708

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Official URL: http://www.sciencedirect.com/science/article/pii/S0309170817302749

Abstract

A 1D numerical model of Nonlinear Shallow Water Equations (NSWEs) coupled to an advection equation for suspended sediment and a bed evolution equation is developed. The moving boundary at the shoreline is treated by a coordinate transformation method (CTM). An absorbing-generating seaward boundary condition in the transformed variables is also developed. The purely hydrodynamic component (NSWEs) is verifed against analytical results. The NSWEs plus advection equation is verifed quasi-analytical results. The fully-coupled model with bed change due to bed-load is verifed against a single swash event and long-term numerical simulation. Excellent agreement is observed in all verifcations.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/885638
Keywords:	Coupled hydro-morphodynamic model, Coordinate transformation method, Non-breaking waves, Wetting-drying
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Civil Engineering
Identification Number:	https://doi.org/10.1016/j.advwatres.2017.07.003
Depositing User:	Dodd, Nicholas
Date Deposited:	17 Jul 2017 13:15
Last Modified:	04 May 2020 19:09
URI:	https://eprints.nottingham.ac.uk/id/eprint/44205

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