The Runge–Kutta discontinuous Galerkin method with stage-dependent polynomial spaces for hyperbolic conservation laws

Q Chen, Z Sun, Y Xing - Journal of Computational Physics, 2025 - Elsevier
In this paper, we present a novel class of high-order Runge–Kutta (RK) discontinuous
Galerkin (DG) schemes for hyperbolic conservation laws. The new method extends beyond …

Space–time adaptive ADER-DG finite element method with LST-DG predictor and a posteriori sub-cell ADER-WENO finite-volume limiting for multidimensional …

IS Popov - Computers & Fluids, 2024 - Elsevier
The space–time adaptive ADER–DG finite element method with LST–DG predictor and a
posteriori sub–cell ADER–WENO finite–volume limiting was used for simulation of …

[HTML][HTML] Eigensolution analysis of immersed boundary method based on volume penalization: applications to high-order schemes

J Kou, A Hurtado-de-Mendoza, S Joshi… - Journal of …, 2022 - Elsevier
This paper presents eigensolution and non-modal analyses for immersed boundary
methods (IBMs) based on volume penalization for the linear advection equation. This …

A robust CFL condition for the discontinuous Galerkin method on triangular meshes

N Chalmers, L Krivodonova - Journal of Computational Physics, 2020 - Elsevier
When the discontinuous Galerkin (DG) method is applied to hyperbolic problems in two
dimensions on triangular meshes and paired with an explicit time integration scheme, an …

Space-Time Adaptive ADER-DG Finite Element Method with LST-DG Predictor and a posteriori Sub-cell WENO Finite-Volume Limiting for Simulation of Non …

IS Popov - Journal of Scientific Computing, 2023 - Springer
The space-time adaptive ADER finite element DG method with a posteriori correction
technique of solutions on subcells by the finite-volume ADER-WENO limiter was used to …

An analysis of the spectrum of the discontinuous Galerkin method

L Krivodonova, R Qin - Applied Numerical Mathematics, 2013 - Elsevier
We derive explicit expressions for the eigenvalues (spectrum) of the discontinuous Galerkin
spatial discretization applied to the linear advection equation. We show that the eigenvalues …

Operator bounds and time step conditions for the DG and central DG methods

MA Reyna, F Li - Journal of Scientific Computing, 2015 - Springer
Discontinuous Galerkin (DG) and central DG methods are two related families of finite
element methods. They can provide high order spatial discretizations that are often …

The effective use of BLAS interface for implementation of finite-element ADER-DG and finite-volume ADER-WENO methods

IS Popov - arXiv preprint arXiv:2409.12483, 2024 - arxiv.org
Numerical methods of the ADER family, in particular finite-element ADER-DG and finite-
volume ADER-WENO methods, are among the most accurate numerical methods for solving …

Discontinuous Galerkin Spectral Element Methods for Astrophysical Flows in Multi-physics Applications

J Markert - 2022 - elib.dlr.de
In engineering applications, discontinuous Galerkin methods (DG) have been proven to be a
powerful and flexible class of high order methods for problems in computational fluid …

Comparative Fourier analysis of DG, FD and compact difference schemes

MA Alhawwary, ZJ Wang - 2018 fluid dynamics conference, 2018 - arc.aiaa.org
In this paper, we compare the semi-discrete behavior of several numerical methods
including the Discontinuous Galerkin (DG), classical Finite Difference (FD), Dispersion …