Finite-volume schemes for shallow-water equations

A Kurganov - Acta Numerica, 2018 - cambridge.org
Shallow-water equations are widely used to model water flow in rivers, lakes, reservoirs,
coastal areas, and other situations in which the water depth is much smaller than the …

Well-balanced schemes and path-conservative numerical methods

MJ Castro, TM de Luna, C Parés - Handbook of numerical analysis, 2017 - Elsevier
In this chapter we describe a general methodology for developing high-order well-balanced
schemes for hyperbolic system with nonconservative products and/or source terms. We …

Hyperbolic balance laws: residual distribution, local and global fluxes

R Abgrall, M Ricchiuto - Numerical Fluid Dynamics: Methods and …, 2022 - Springer
This review paper describes a class of scheme named “residual distribution schemes” or
“fluctuation splitting schemes”. They are a generalization of Roe's numerical flux in …

Flux globalization based well-balanced path-conservative central-upwind schemes for shallow water models

Y Cao, A Kurganov, Y Liu, R Xin - Journal of Scientific Computing, 2022 - Springer
We extend recently proposed flux globalization based well-balanced path-conservative
central-upwind schemes to several shallow water models including the Saint-Vevant system …

[HTML][HTML] Implicit and semi-implicit well-balanced finite-volume methods for systems of balance laws

I Gómez-Bueno, S Boscarino, MJ Castro… - Applied Numerical …, 2023 - Elsevier
The aim of this work is to design implicit and semi-implicit high-order well-balanced finite-
volume numerical methods for 1D systems of balance laws. The strategy introduced by two …

The shifted boundary method for hyperbolic systems: Embedded domain computations of linear waves and shallow water flows

T Song, A Main, G Scovazzi, M Ricchiuto - Journal of Computational …, 2018 - Elsevier
We propose a new computational approach for embedded boundary simulations of
hyperbolic systems and, in particular, the linear wave equations and the nonlinear shallow …

An arbitrary high order and positivity preserving method for the shallow water equations

M Ciallella, L Micalizzi, P Öffner, D Torlo - Computers & Fluids, 2022 - Elsevier
In this paper, we develop and present an arbitrary high order well-balanced finite volume
WENO method combined with the modified Patankar Deferred Correction (mPDeC) time …

Arbitrary high order WENO finite volume scheme with flux globalization for moving equilibria preservation

M Ciallella, D Torlo, M Ricchiuto - Journal of Scientific Computing, 2023 - Springer
In the context of preserving stationary states, eg lake at rest and moving equilibria, a new
formulation of the shallow water system, called flux globalization has been introduced by …

[HTML][HTML] Efficient iterative arbitrary high-order methods: an adaptive bridge between low and high order

L Micalizzi, D Torlo, W Boscheri - Communications on Applied …, 2023 - Springer
We propose a new paradigm for designing efficient p-adaptive arbitrary high-order methods.
We consider arbitrary high-order iterative schemes that gain one order of accuracy at each …

An efficient finite difference method for the shallow water equations

L Lundgren, K Mattsson - Journal of Computational Physics, 2020 - Elsevier
A high-order explicit finite difference scheme is derived solving the shallow water equations.
The boundary closures are based on the diagonal-norm summation-by-parts (SBP) …