A robust numerical scheme for highly compressible magnetohydrodynamics: Nonlinear stability, implementation and tests
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 …
stable numerical schemes. We present an implementation of a new method, which …
On the computation of measure-valued solutions
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 …
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 …
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
We develop a new second-order flux globalization based path-conservative central-upwind
(PCCU) scheme for rotating shallow water magnetohydrodynamic equations. The new …
(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 …
processes, including the interaction of fluids with magnetic fields, under increasingly …
An unconventional divergence preserving finite-volume discretization of Lagrangian ideal MHD
We construct an unconventional divergence preserving discretization of updated
Lagrangian ideal magnetohydrodynamics (MHD) over simplicial grids. The cell-centered …
Lagrangian ideal magnetohydrodynamics (MHD) over simplicial grids. The cell-centered …
Globally divergence-free DG scheme for ideal compressible MHD
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 …
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
We develop a new second-order unstaggered semidiscrete path-conservative central-
upwind (PCCU) scheme for ideal and shallow water magnetohydrodynamics (MHD) …
upwind (PCCU) scheme for ideal and shallow water magnetohydrodynamics (MHD) …
Entropy Stable Finite Difference Schemes for Chew, Goldberger and Low Anisotropic Plasma Flow Equations
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 …
which is a set of nonlinear, non-conservative hyperbolic PDEs modeling anisotropic plasma …
Stabilized Galerkin for transient advection of differential forms
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 …
forms on bounded spatial domains. We pursue an Eulerian method of lines approach with …