The exact Riemann solver for the shallow water equations with a discontinuous bottom

AI Aleksyuk, MA Malakhov, VV Belikov - Journal of Computational Physics, 2022 - Elsevier
A new exact Riemann solver for the shallow water equations with a discontinuous bottom is
proposed. The algorithm is based on the approach to overcome the non-uniqueness of the …

The uniqueness of the exact solution of the Riemann problem for the shallow water equations with discontinuous bottom

AI Aleksyuk, VV Belikov - Journal of Computational Physics, 2019 - Elsevier
The Riemann problem for the shallow water equations with discontinuous topography is
considered. In a general case the exact solution of this problem is not unique, which …

The analytic solution of the Shallow-Water Equations with partially open sluice-gates: The dam-break problem

L Cozzolino, L Cimorelli, C Covelli… - Advances in Water …, 2015 - Elsevier
The general solution of the dam-break problem with partial uplift of the sluice-gate is
presented in the framework of the one-dimensional Shallow-Water Equations, under the …

Optimal positioning and sizing of detention tanks within urban drainage networks

L Cimorelli, F Morlando, L Cozzolino… - Journal of Irrigation …, 2016 - ascelibrary.org
The present work describes a procedure for the evaluation of the optimal number, position,
configuration, and sizes of detention tanks in urban drainage networks, to decrease the …

Supercritical flow overpassing forward-or backward-facing steps non-orthogonal to the flow direction

DP Viero, T Lazzarin, P Peruzzo, A Defina - Physics of Fluids, 2023 - pubs.aip.org
The work proposes and discusses a theoretical approach to predict the behavior of an open-
channel supercritical flow that overpasses a step, either forward or backward facing, non …

The solution of the dam-break problem in the porous shallow water equations

L Cozzolino, V Pepe, L Cimorelli, A D'Aniello… - Advances in water …, 2018 - Elsevier
Abstract The Porous Shallow water Equations are commonly used to evaluate the
propagation of flooding waves in the urban environment. These equations may exhibit not …

The exact Riemann Solver to the Shallow Water equations for natural channels with bottom steps

L Minatti, L Faggioli - Computers & Fluids, 2023 - Elsevier
Abstract The Shallow Water equations model is commonly used to reproduce a wide variety
of environmental flows. Its applications include river hydraulics and flood forecasting …

A 1D–2D shallow water equations solver for discontinuous porosity field based on a generalized Riemann problem

A Ferrari, R Vacondio, S Dazzi, P Mignosa - Advances in water resources, 2017 - Elsevier
A novel augmented Riemann Solver capable of handling porosity discontinuities in 1D and
2D Shallow Water Equation (SWE) models is presented. With the aim of accurately …

Physics‐informed neural networks for the augmented system of shallow water equations with topography

S Dazzi - Water Resources Research, 2024 - Wiley Online Library
Physics‐informed neural networks (PINNs) are gaining attention as an alternative approach
to solve scientific problems governed by differential equations. This work aims at assessing …

Модели мелкой воды в задачах речной гидродинамики

ВВ Беликов, АИ Алексюк - 2020 - elibrary.ru
В монографии излагаются оригинальные эффективные алгоритмы численного
решения уравнений мелкой воды, из которых в первую очередь следует выделить …