A robust numerical scheme for highly compressible magnetohydrodynamics: Nonlinear stability, implementation and tests

K Waagan, C Federrath, C Klingenberg - Journal of Computational Physics, 2011 - Elsevier
The ideal MHD equations are a central model in astrophysics, and their solution relies upon
stable numerical schemes. We present an implementation of a new method, which …

On the computation of measure-valued solutions

US Fjordholm, S Mishra, E Tadmor - Acta numerica, 2016 - cambridge.org
A standard paradigm for the existence of solutions in fluid dynamics is based on the
construction of sequences of approximate solutions or approximate minimizers. This …

Provably positive high-order schemes for ideal magnetohydrodynamics: analysis on general meshes

K Wu, CW Shu - Numerische Mathematik, 2019 - Springer
This paper proposes and analyzes arbitrarily high-order discontinuous Galerkin (DG) and
finite volume methods which provably preserve the positivity of density and pressure for the …

Locally divergence-free well-balanced path-conservative central-upwind schemes for rotating shallow water MHD

A Chertock, A Kurganov, M Redle, V Zeitlin - Journal of Computational …, 2024 - Elsevier
We develop a new second-order flux globalization based path-conservative central-upwind
(PCCU) scheme for rotating shallow water magnetohydrodynamic equations. The new …

High-order magnetohydrodynamics for astrophysics with an adaptive mesh refinement discontinuous Galerkin scheme

T Guillet, R Pakmor, V Springel… - Monthly Notices of …, 2019 - academic.oup.com
Modern astrophysical simulations aim to accurately model an ever-growing array of physical
processes, including the interaction of fluids with magnetic fields, under increasingly …

An unconventional divergence preserving finite-volume discretization of Lagrangian ideal MHD

W Boscheri, R Loubère, PH Maire - Communications on Applied …, 2024 - Springer
We construct an unconventional divergence preserving discretization of updated
Lagrangian ideal magnetohydrodynamics (MHD) over simplicial grids. The cell-centered …

Globally divergence-free DG scheme for ideal compressible MHD

DS Balsara, R Kumar, P Chandrashekar - Communications in Applied …, 2021 - msp.org
The high-accuracy solution of the MHD equations is of great interest in various fields of
physics, mathematics, and engineering. Higher-order DG schemes offer low dissipation and …

A new locally divergence-free path-conservative central-upwind scheme for ideal and shallow water magnetohydrodynamics

A Chertock, A Kurganov, M Redle, K Wu - SIAM Journal on Scientific …, 2024 - SIAM
We develop a new second-order unstaggered semidiscrete path-conservative central-
upwind (PCCU) scheme for ideal and shallow water magnetohydrodynamics (MHD) …

Entropy Stable Finite Difference Schemes for Chew, Goldberger and Low Anisotropic Plasma Flow Equations

C Singh, A Yadav, D Bhoriya, H Kumar… - Journal of Scientific …, 2025 - Springer
In this article, we consider the Chew, Goldberger and Low (CGL) plasma flow equations,
which is a set of nonlinear, non-conservative hyperbolic PDEs modeling anisotropic plasma …

Stabilized Galerkin for transient advection of differential forms

H Heumann, R Hiptmair, C Pagliantini - 2015 - hal.science
We deal with the discretization of generalized transient advection problems for differential
forms on bounded spatial domains. We pursue an Eulerian method of lines approach with …