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 …

[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 …

Relaxation exponential Rosenbrock-type methods for oscillatory Hamiltonian systems

D Li, X Li - SIAM Journal on Scientific Computing, 2023 - SIAM
It is challenging to numerically solve oscillatory Hamiltonian systems due to the stiffness of
the problems and the requirement of highly stable and energy-preserving schemes. The …

Implicit-explicit relaxation Runge-Kutta methods: construction, analysis and applications to PDEs

D Li, X Li, Z Zhang - Mathematics of Computation, 2023 - ams.org
Spatial discretizations of time-dependent partial differential equations usually result in a
large system of semi-linear and stiff ordinary differential equations. Taking the structures into …

High order entropy preserving ADER-DG schemes

E Gaburro, P Öffner, M Ricchiuto, D Torlo - Applied Mathematics and …, 2023 - Elsevier
In this paper, we develop a fully discrete entropy preserving ADER-Discontinuous Galerkin
(ADER-DG) method. To obtain this desired result, we equip the space part of the method …

Linearly implicit and high-order energy-preserving relaxation schemes for highly oscillatory Hamiltonian systems

D Li, X Li, Z Zhang - Journal of Computational Physics, 2023 - Elsevier
In this paper, a family of novel energy-preserving schemes are presented for numerically
solving highly oscillatory Hamiltonian systems. These schemes are constructed by using the …

Numerical analysis and applications of explicit high order maximum principle preserving integrating factor Runge-Kutta schemes for Allen-Cahn equation

H Zhang, J Yan, X Qian, S Song - Applied Numerical Mathematics, 2021 - Elsevier
Whether high order temporal integrators can preserve the maximum principle of Allen-Cahn
equation has been an open problem in recent years. This work provides a positive answer …

[PDF][PDF] Review of entropy stable discontinuous Galerkin methods for systems of conservation laws on unstructured simplex meshes

T Chen, CW Shu - CSIAM Transactions on Applied Mathematics, 2020 - doc.global-sci.org
In this paper, we will build a roadmap for the growing literature of high order quadrature-
based entropy stable discontinuous Galerkin (DG) methods, trying to elucidate the …

Reinterpretation and extension of entropy correction terms for residual distribution and discontinuous Galerkin schemes: application to structure preserving …

R Abgrall, P Öffner, H Ranocha - Journal of Computational Physics, 2022 - Elsevier
For the general class of residual distribution (RD) schemes, including many finite element
(such as continuous/discontinuous Galerkin) and flux reconstruction methods, an approach …

Limiter-based entropy stabilization of semi-discrete and fully discrete schemes for nonlinear hyperbolic problems

D Kuzmin, H Hajduk, A Rupp - Computer Methods in Applied Mechanics …, 2022 - Elsevier
The algebraic flux correction (AFC) schemes presented in this work constrain a standard
continuous finite element discretization of a nonlinear hyperbolic problem to satisfy relevant …