Arbitrary high order WENO finite volume scheme with flux globalization for moving equilibria preservation
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 …
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
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 …
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
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 …
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
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 …
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 …
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 …
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 …
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 …
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 …
resolución numérica de sistemas hiperbólicos de leyes de equilibrio. Se consideran …