Entropy-conservative discontinuous Galerkin methods for the shallow water equations with uncertainty

J Bender, P Öffner - Communications on Applied Mathematics and …, 2024 - Springer
In this paper, we develop an entropy-conservative discontinuous Galerkin (DG) method for
the shallow water (SW) equation with random inputs. One of the most popular methods for …

Numerical methods for reinterpreted discrete fracture models with random inputs

H Ding, Y Yang, X Zhong - Journal of Computational and Applied …, 2024 - Elsevier
This paper investigates the impact of uncertainty on the reinterpreted discrete fracture model
(RDFM) for flow in porous media featuring fractures and barriers. The stochastic RDMF is …

Energy stable and structure-preserving schemes for the stochastic Galerkin shallow water equations

D Dai, Y Epshteyn, A Narayan - ESAIM: Mathematical Modelling …, 2024 - esaim-m2an.org
The shallow water flow model is widely used to describe water flows in rivers, lakes, and
coastal areas. Accounting for uncertainty in the corresponding transport-dominated …

A moment approach for entropy solutions of parameter-dependent hyperbolic conservation laws

C Cardoen, S Marx, A Nouy, N Seguin - Numerische Mathematik, 2024 - Springer
We propose a numerical method to solve parameter-dependent scalar hyperbolic partial
differential equations (PDEs) with a moment approach, based on a previous work from Marx …

New High-Order Numerical Methods for Hyperbolic Systems of Nonlinear PDEs with Uncertainties

A Chertock, M Herty, AS Iskhakov, S Janajra… - … on Applied Mathematics …, 2024 - Springer
In this paper, we develop new high-order numerical methods for hyperbolic systems of
nonlinear partial differential equations (PDEs) with uncertainties. The new approach is …

[PDF][PDF] Energy Stable and Structure-Preserving Algorithms for the Stochastic Galerkin System of 2D Shallow Water Equations

Y Epshteyn, A Narayan, Y Yu - arXiv preprint arXiv:2412.16353, 2024 - math.utah.edu
Shallow water equations (SWE) are fundamental nonlinear hyperbolic PDE-based models
in fluid dynamics that are essential for studying a wide range of geophysical and …

A flux reconstruction stochastic Galerkin scheme for hyperbolic conservation laws

T Xiao, J Kusch, J Koellermeier, M Frank - Journal of Scientific Computing, 2023 - Springer
The study of uncertainty propagation poses a great challenge to design high fidelity
numerical methods. Based on the stochastic Galerkin formulation, this paper addresses the …