Entropy stable discontinuous Galerkin methods for balance laws in non-conservative form: Applications to the Euler equations with gravity

M Waruszewski, JE Kozdon, LC Wilcox… - Journal of …, 2022 - Elsevier
In this work a non-conservative balance law formulation is considered that encompasses the
rotating, compressible Euler equations for dry atmospheric flows. We develop a semi …

Entropy stable schemes for the shear shallow water model Equations

A Yadav, D Bhoriya, H Kumar… - Journal of Scientific …, 2023 - Springer
The shear shallow water model is an extension of the classical shallow water model to
include the effects of vertical shear. It is a system of six non-linear hyperbolic PDE with non …

[HTML][HTML] An entropy–stable p–adaptive nodal discontinuous Galerkin for the coupled Navier–Stokes/Cahn–Hilliard system

G Ntoukas, J Manzanero, G Rubio, E Valero… - Journal of Computational …, 2022 - Elsevier
We develop a novel entropy–stable discontinuous Galerkin approximation of the
incompressible Navier–Stokes/Cahn–Hilliard system for p–non–conforming elements. This …

Entropy stable discontinuous Galerkin schemes for the special relativistic hydrodynamics equations

B Biswas, H Kumar, D Bhoriya - Computers & Mathematics with …, 2022 - Elsevier
This article presents entropy stable discontinuous Galerkin numerical schemes for equations
of special relativistic hydrodynamics with the ideal equation of state. The numerical schemes …

A second-order direct Eulerian GRP scheme for ten-moment Gaussian closure equations with source terms

J Wang, H Tang - Journal of Computational Physics, 2024 - Elsevier
This paper proposes a second-order accurate direct Eulerian generalized Riemann problem
(GRP) scheme for the ten-moment Gaussian closure equations with source terms. The …

Entropy stable discontinuous Galerkin schemes for two-fluid relativistic plasma flow equations

D Bhoriya, B Biswas, H Kumar… - Journal of Scientific …, 2023 - Springer
This article proposes entropy stable discontinuous Galerkin schemes (DG) for two-fluid
relativistic plasma flow equations. These equations couple the flow of relativistic fluids via …

Ten-moment fluid model with heat flux closure for gasdynamic flows

DA Kuldinow, Y Yamashita, AR Mansour… - Journal of Computational …, 2024 - Elsevier
The gasdynamic 10-moment equations are revisited, applying a Chapman-Enskog type
expansion to achieve the closure for heat flux. The resulting gradient-based closure …

High-order accurate positivity-preserving and well-balanced discontinuous Galerkin schemes for ten-moment Gaussian closure equations with source terms

J Wang, H Tang, K Wu - arXiv preprint arXiv:2402.15446, 2024 - arxiv.org
This paper proposes novel high-order accurate discontinuous Galerkin (DG) schemes for
the one-and two-dimensional ten-moment Gaussian closure equations with source terms …

Efficient Alternative Finite Difference WENO Schemes for Hyperbolic Conservation Laws

DS Balsara, D Bhoriya, CW Shu, H Kumar - Communications on Applied …, 2024 - Springer
Higher order finite difference Weighted Essentially Non-Oscillatory (FD-WENO) schemes for
conservation laws are extremely popular because, for multidimensional problems, they offer …

Entropy stable finite difference schemes for Chew, Goldberger & Low anisotropic plasma flow equations

C Singh, A Yadav, D Bhoriya, H Kumar… - arXiv preprint arXiv …, 2024 - arxiv.org
In this article, we consider the Chew, Goldberger\& Low (CGL) plasma flow equations, which
is a set of nonlinear, non-conservative hyperbolic PDEs modelling anisotropic plasma flows …