A novel robust strategy for discontinuous Galerkin methods in computational fluid mechanics: Why? When? What? Where?

GJ Gassner, AR Winters - Frontiers in Physics, 2021 - frontiersin.org
In this paper we will review a recent emerging paradigm shift in the construction and
analysis of high order Discontinuous Galerkin methods applied to approximate solutions of …

Subcell limiting strategies for discontinuous Galerkin spectral element methods

AM Rueda-Ramírez, W Pazner, GJ Gassner - Computers & Fluids, 2022 - Elsevier
We present a general family of subcell limiting strategies to construct robust high-order
accurate nodal discontinuous Galerkin (DG) schemes. The main strategy is to construct …

[HTML][HTML] A simple and general framework for the construction of thermodynamically compatible schemes for computational fluid and solid mechanics

R Abgrall, S Busto, M Dumbser - Applied Mathematics and Computation, 2023 - Elsevier
We introduce a simple and general framework for the construction of thermodynamically
compatible schemes for the numerical solution of overdetermined hyperbolic PDE systems …

On thermodynamically compatible finite volume schemes for continuum mechanics

S Busto, M Dumbser, I Peshkov, E Romenski - SIAM Journal on Scientific …, 2022 - SIAM
In this paper we present a new family of semidiscrete and fully discrete finite volume
schemes for overdetermined, hyperbolic, and thermodynamically compatible PDE systems …

On thermodynamically compatible finite volume methods and path-conservative ADER discontinuous Galerkin schemes for turbulent shallow water flows

S Busto, M Dumbser, S Gavrilyuk, K Ivanova - Journal of Scientific …, 2021 - Springer
In this paper we propose a new reformulation of the first order hyperbolic model for unsteady
turbulent shallow water flows recently proposed in Gavrilyuk et al.(J Comput Phys 366: 252 …

Toward discretization-consistent closure schemes for large eddy simulation using reinforcement learning

A Beck, M Kurz - Physics of Fluids, 2023 - pubs.aip.org
This study proposes a novel method for developing discretization-consistent closure
schemes for implicitly filtered large eddy simulation (LES). Here, the induced filter kernel …

A new thermodynamically compatible finite volume scheme for magnetohydrodynamics

S Busto, M Dumbser - SIAM Journal on Numerical Analysis, 2023 - SIAM
In this paper we propose a novel thermodynamically compatible finite volume scheme for
the numerical solution of the equations of magnetohydrodynamics (MHD) in one and two …

High-order methods for hypersonic flows with strong shocks and real chemistry

A Peyvan, K Shukla, J Chan, G Karniadakis - Journal of Computational …, 2023 - Elsevier
We compare high-order methods including spectral difference (SD), flux reconstruction (FR),
the entropy-stable discontinuous Galerkin spectral element method (ES-DGSEM), modal …

A purely hyperbolic discontinuous Galerkin approach for self-gravitating gas dynamics

M Schlottke-Lakemper, AR Winters, H Ranocha… - Journal of …, 2021 - Elsevier
One of the challenges when simulating astrophysical flows with self-gravity is to compute the
gravitational forces. In contrast to the hyperbolic hydrodynamic equations, the gravity field is …

An exactly curl-free staggered semi-implicit finite volume scheme for a first order hyperbolic model of viscous two-phase flows with surface tension

S Chiocchetti, M Dumbser - Journal of Scientific Computing, 2023 - Springer
In this paper, we present a pressure-based semi-implicit numerical scheme for a first order
hyperbolic formulation of compressible two-phase flow with surface tension and viscosity …