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 …

Approximately well-balanced Discontinuous Galerkin methods using bases enriched with Physics-Informed Neural Networks

E Franck, V Michel-Dansac, L Navoret - Journal of Computational Physics, 2024 - Elsevier
This work concerns the enrichment of Discontinuous Galerkin (DG) bases, so that the
resulting scheme provides a much better approximation of steady solutions to hyperbolic …

A high-order, fully well-balanced, unconditionally positivity-preserving finite volume framework for flood simulations

M Ciallella, L Micalizzi, V Michel-Dansac… - arXiv preprint arXiv …, 2024 - arxiv.org
In this work, we present a high-order finite volume framework for the numerical simulation of
shallow water flows. The method is designed to accurately capture complex dynamics …

[HTML][HTML] Well-balanced adaptive compact approximate Taylor methods for systems of balance laws

H Carrillo, E Macca, C Parés, G Russo - Journal of Computational Physics, 2023 - Elsevier
Abstract Compact Approximate Taylor (CAT) methods for systems of conservation laws were
introduced by Carrillo and Parés in 2019. These methods, based on a strategy that allows …

A fully well-balanced hydrodynamic reconstruction

C Berthon, V Michel-Dansac - Journal of Numerical Mathematics, 2024 - degruyter.com
The present work focuses on the numerical approximation of the weak solutions of the
shallow water model over a non-flat topography. In particular, we pay close attention to …

Nonstaggered Central Scheme Under Steady-State Discretization for Solving the Ripa Model

Z Li, DF Li - Journal of Scientific Computing, 2024 - Springer
The paper proposed the moving-water equilibrium nonstaggered central scheme for the
Ripa model via the flux globalization. The traditional quadrature method for discretizing the …

A well-defined Godunov-type scheme in a Navier-Stokes model with a friction term

J Ouya, A Ouedraogo - Gulf Journal of Mathematics, 2024 - gjom.org
In this paper, particular attention is paid to Godunov-type numerical scheme for solving
partial differential equations. We numerically approximate the weak solutions of the Navier …

An entropy-stable and fully well-balanced scheme for the Euler equations with gravity

C Berthon, V Michel-Dansac, A Thomann - 2024 - hal.science
The present work concerns the derivation of a numerical scheme to approximate weak
solutions of the Euler equations with a gravitational source term. The designed scheme is …

High-order well-balanced finite volume methods for hyperbolic systems of balance laws

I Gómez Bueno - 2023 - riuma.uma.es
Esta tesis, realizada por compendio de publicaciones, se sitúa en el contexto de la
resolución numérica de sistemas hiperbólicos de leyes de equilibrio. Se consideran …