Time parallelism and Newton-adaptivity of the two-derivative deferred correction discontinuous Galerkin method

J Zeifang, AT Manikantan, J Schütz - Applied Mathematics and …, 2023 - Elsevier
In this work, we consider a high-order discretization of compressible viscous flows allowing
parallelization both in space and time. The discontinuous Galerkin spectral element method …

Implicit two-derivative deferred correction time discretization for the discontinuous Galerkin method

J Zeifang, J Schütz - Journal of Computational Physics, 2022 - Elsevier
In this paper, we use an implicit two-derivative deferred correction time discretization
approach and combine it with a spatial discretization of the discontinuous Galerkin spectral …

Functional‐preserving predictor‐corrector multiderivative schemes

H Ranocha, J Schütz, E Theodosiou - PAMM, 2023 - Wiley Online Library
In this work, we develop a class of high‐order multiderivative time integration methods that is
able to preserve certain functionals discretely. Important ingredients are the recently …

An explicitness-preserving IMEX-split multiderivative method

E Theodosiou, J Schütz, D Seal - Computers & Mathematics with …, 2024 - Elsevier
In the last decade, multi-derivative schemes for ordinary differential equations (ODE), ie,
schemes not only using the ODE's flux, but also derivatives thereof, have seen renewed …

Multi-step Hermite-Birkhoff predictor-corrector schemes

AT Manikantan, J Schütz - Applied Numerical Mathematics, 2024 - Elsevier
In this study, we introduce a multi-step multi-derivative predictor-corrector time integration
scheme analogous to the schemes in Schütz et al.(2022)[13], incorporating a multi-step …

Multiderivative time integration methods preserving nonlinear functionals via relaxation

H Ranocha, J Schütz - arXiv preprint arXiv:2311.03883, 2023 - arxiv.org
We combine the recent relaxation approach with multiderivative Runge-Kutta methods to
preserve conservation or dissipation of entropy functionals for ordinary and partial …

Multi-step Hermite-Birkhoff predictor-corrector schemes

A Thenery Manikantan, J Schütz - 2024 - dl.acm.org
In this study, we introduce a multi-step multi-derivative predictor-corrector time integration
scheme analogous to the schemes in Schütz et al.(2022)[13], incorporating a multi-step …

A two-derivative time integrator for the Cahn-Hilliard equation

E Theodosiou, C Bringedal, J Schütz - Mathematical Modelling and …, 2024 - jau.vgtu.lt
This paper presents a two-derivative energy-stable method for the Cahn-Hilliard equation.
We use a fully implicit time discretization with the addition of two stabilization terms to …

[引用][C] Strong Stability Preserving and A (α)-Stable Two-Derivative Time Discretization for Discontinuous Galerkin Method

AT Manikantan, J Zeifang, J Schütz - 2023