Gplasdi: Gaussian process-based interpretable latent space dynamics identification through deep autoencoder

C Bonneville, Y Choi, D Ghosh, JL Belof - Computer Methods in Applied …, 2024 - Elsevier
Numerically solving partial differential equations (PDEs) can be challenging and
computationally expensive. This has led to the development of reduced-order models …

[HTML][HTML] A well-balanced discontinuous Galerkin method for the first–order Z4 formulation of the Einstein–Euler system

M Dumbser, O Zanotti, E Gaburro, I Peshkov - Journal of Computational …, 2024 - Elsevier
In this paper we develop a new well-balanced discontinuous Galerkin (DG) finite element
scheme with subcell finite volume (FV) limiter for the numerical solution of the Einstein–Euler …

High order well-balanced finite volume methods for multi-dimensional systems of hyperbolic balance laws

JP Berberich, P Chandrashekar, C Klingenberg - Computers & Fluids, 2021 - Elsevier
We introduce a general framework for the construction of well-balanced finite volume
methods for hyperbolic balance laws. We use the phrase well-balancing in a broader sense …

A novel and robust scale-invariant WENO scheme for hyperbolic conservation laws

WS Don, R Li, BS Wang, Y Wang - Journal of Computational Physics, 2022 - Elsevier
A novel, simple, robust, and effective modification in the nonlinear weights of the scale-
invariant WENO operator is proposed that achieves an optimal order of accuracy with …

[HTML][HTML] A family of well-balanced WENO and TENO schemes for atmospheric flows

A Navas-Montilla, I Echeverribar - Journal of Computational Physics, 2023 - Elsevier
We herein present a novel methodology to construct very high order well-balanced schemes
for the computation of the Euler equations with gravitational source term, with application to …

Well-balanced discontinuous Galerkin methods with hydrostatic reconstruction for the Euler equations with gravitation

G Li, Y Xing - Journal of Computational Physics, 2018 - Elsevier
Many interesting astrophysical and atmospheric problems involve flows near the hydrostatic
equilibrium state where the pressure gradient is balanced by the gravitational force. In this …

Scale-invariant multi-resolution alternative WENO scheme for the Euler equations

P Li, T Li, WS Don, BS Wang - Journal of Scientific Computing, 2023 - Springer
The finite difference multi-resolution alternative weighted essentially non-oscillatory (MR-
AWENO) scheme has been designed to solve hyperbolic conservation laws (Wang et al. in …

High order finite volume WENO schemes for the Euler equations under gravitational fields

G Li, Y Xing - Journal of Computational Physics, 2016 - Elsevier
Euler equations with gravitational source terms are used to model many astrophysical and
atmospheric phenomena. This system admits hydrostatic balance where the flux produced …

High order well-balanced positivity-preserving scale-invariant AWENO scheme for Euler systems with gravitational field

Y Gu, Z Gao, G Hu, P Li, Q Fu - Journal of Computational Physics, 2023 - Elsevier
In this paper, we propose a fifth order well-balanced positivity-preserving finite difference
scale-invariant AWENO scheme for the compressible Euler equations with gravitational …

Uniformly high-order structure-preserving discontinuous Galerkin methods for Euler equations with gravitation: Positivity and well-balancedness

K Wu, Y Xing - SIAM Journal on Scientific Computing, 2021 - SIAM
This paper presents novel high-order accurate discontinuous Galerkin (DG) schemes for the
compressible Euler equations under gravitational fields. A notable feature of these schemes …