A multilevel Monte Carlo finite difference method for random scalar degenerate convection–diffusion equations

U Koley, NH Risebro, C Schwab… - Journal of Hyperbolic …, 2017 - World Scientific
This paper proposes a finite difference multilevel Monte Carlo algorithm for degenerate
parabolic convection–diffusion equations where the convective and diffusive fluxes are …

Control of hyperbolic and parabolic equations on networks and singular limits

JA Bárcena-Petisco, M Cavalcante… - … Control and Related …, 2024 - aimsciences.org
We study the controllability properties of transport equations and of parabolic equations with
vanishing diffusivity posed on a tree-shaped network. Using a control localized on the …

Multilevel Monte Carlo finite volume methods for random conservation laws with discontinuous flux

J Badwaik, C Klingenberg, NH Risebro… - … and Numerical Analysis, 2021 - esaim-m2an.org
We consider conservation laws with discontinuous flux where the initial datum, the flux
function, and the discontinuous spatial dependency coefficient are subject to randomness …

A convergent finite difference scheme for the Ostrovsky-Hunter equation on a bounded domain

GM Coclite, J Ridder, NH Risebro - BIT Numerical Mathematics, 2017 - Springer
We prove the convergence of a finite difference scheme to the unique entropy solution of a
general form of the Ostrovsky-Hunter equation on a bounded domain with periodic boundary …

Learning the flux and diffusion function for degenerate convection-diffusion equations using different types of observations

Q Li, S Evje - BIT Numerical Mathematics, 2024 - Springer
In recent years, there has been an increasing interest in utilizing deep learning-based
techniques to predict solutions to various partial differential equations. In this study, we …

[HTML][HTML] Fast reliable simulations of secondary settling tanks in wastewater treatment with semi-implicit time discretization

S Diehl, S Farås, G Mauritsson - Computers & Mathematics with …, 2015 - Elsevier
The bio-kinetic and sedimentation processes of wastewater treatment plants can be
modelled by a large system of coupled nonlinear ordinary and partial differential equations …

On the convergence rate of finite difference methods for degenerate convection-diffusion equations in several space dimensions

KH Karlsen, NH Risebro, EB Storrøsten - … : Mathematical Modelling and …, 2016 - numdam.org
We analyze upwind difference methods for strongly degenerate convection-diffusion
equations in several spatial dimensions. We prove that the local L 1-error between the exact …

A convergent finite difference scheme for the Ostrovsky–Hunter equation with Dirichlet boundary conditions

J Ridder, AM Ruf - BIT Numerical Mathematics, 2019 - Springer
We prove convergence of a finite difference scheme to the unique entropy solution of a
general form of the Ostrovsky–Hunter equation on a bounded domain with non …

Uniform tail estimates and -convergence for finite-difference approximations of nonlinear diffusion equations

F Del Teso, J Endal, ER Jakobsen - arXiv preprint arXiv:2202.02297, 2022 - arxiv.org
We obtain new equitightness and $ C ([0, T]; L^ p (\mathbb {R}^ N)) $-convergence results
for finite-difference approximations of generalized porous medium equations of the form …

Smooth, cusped and sharp shock waves in a one-dimensional model of a microfluidic drop ensemble

JI Ramos - International Journal of Numerical Methods for Heat & …, 2022 - emerald.com
Purpose The purpose of this paper is to determine both analytically and numerically the
existence of smooth, cusped and sharp shock wave solutions to a one-dimensional model of …