Robust numerical methods for nonlocal (and local) equations of porous medium type. Part II: Schemes and experiments
We develop a unified and easy to use framework to study robust fully discrete numerical
methods for nonlinear degenerate diffusion equations \partial_tu-Lφ(u)=f(x,t) in R^N*(0,T) …
methods for nonlinear degenerate diffusion equations \partial_tu-Lφ(u)=f(x,t) in R^N*(0,T) …
Robust numerical methods for nonlocal (and local) equations of porous medium type. Part I: Theory
We develop a unified and easy to use framework to study robust fully discrete numerical
methods for nonlinear degenerate diffusion equations \partial_tu-L^σ,μφ(u)=f\;in\;R^N*(0,T) …
methods for nonlinear degenerate diffusion equations \partial_tu-L^σ,μφ(u)=f\;in\;R^N*(0,T) …
A multilevel Monte Carlo finite difference method for random scalar degenerate convection–diffusion equations
This paper proposes a finite difference multilevel Monte Carlo algorithm for degenerate
parabolic convection–diffusion equations where the convective and diffusive fluxes are …
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 …
vanishing diffusivity posed on a tree-shaped network. Using a control localized on the …
A difference scheme for a degenerating convection-diffusion-reaction system modelling continuous sedimentation
Continuously operated settling tanks are used for the gravity separation of solid-liquid
suspensions in several industries. Mathematical models of these units form a topic for well …
suspensions in several industries. Mathematical models of these units form a topic for well …
Learning the flux and diffusion function for degenerate convection-diffusion equations using different types of observations
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 …
techniques to predict solutions to various partial differential equations. In this study, we …
A discrete boundedness-by-entropy method for finite-volume approximations of cross-diffusion systems
An implicit Euler finite-volume scheme for general cross-diffusion systems with volume-filling
constraints is proposed and analyzed. The diffusion matrix may be nonsymmetric and not …
constraints is proposed and analyzed. The diffusion matrix may be nonsymmetric and not …
On rate of convergence of finite difference scheme for degenerate parabolic-hyperbolic pde with Lévy noise
SR Behera, AK Majee - arXiv preprint arXiv:2212.12846, 2022 - arxiv.org
In this article, we consider a semi discrete finite difference scheme for a degenerate
parabolic-hyperbolic PDE driven by L\'evy noise in one space dimension. Using bounded …
parabolic-hyperbolic PDE driven by L\'evy noise in one space dimension. Using bounded …
Uniform tail estimates and -convergence for finite-difference approximations of nonlinear diffusion equations
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 …
for finite-difference approximations of generalized porous medium equations of the form …
[PDF][PDF] ROBUST NUMERICAL METHODS FOR LOCAL AND NONLOCAL EQUATIONS OF POROUS MEDIUM TYPE. PART I: THEORY.
We develop the theory for monotone schemes of finite difference type for general nonlinear
diffusion equations,∂ tu− Lσ, µ [ϕ (u)]= f (x, t) in Rn×(0, T), where Lσ, µ is a general …
diffusion equations,∂ tu− Lσ, µ [ϕ (u)]= f (x, t) in Rn×(0, T), where Lσ, µ is a general …