Long-time behaviour of hybrid finite volume schemes for advection–diffusion equations: linear and nonlinear approaches

C Chainais-Hillairet, M Herda, S Lemaire… - Numerische …, 2022 - Springer
We are interested in the long-time behaviour of approximate solutions to anisotropic and
heterogeneous linear advection–diffusion equations in the framework of hybrid finite volume …

The Scharfetter–Gummel scheme for aggregation–diffusion equations

A Schlichting, C Seis - IMA Journal of Numerical Analysis, 2022 - academic.oup.com
In this paper we propose a finite-volume scheme for aggregation–diffusion equations based
on a Scharfetter–Gummel approximation of the quadratic, nonlocal flux term. This scheme is …

Long time behavior of finite volume discretization of symmetrizable linear hyperbolic systems

J Jung, V Perrier - IMA Journal of Numerical Analysis, 2023 - academic.oup.com
This article is dedicated to the long time behavior of a finite volume approximation of general
symmetrizable linear hyperbolic system on a bounded domain. In the continuous case this …

A structure preserving hybrid finite volume scheme for semiconductor models with magnetic field on general meshes

J Moatti - ESAIM: Mathematical Modelling and Numerical …, 2023 - esaim-m2an.org
We are interested in the discretisation of a drift–diffusion system in the framework of hybrid
finite volume (HFV) methods on general polygonal/polyhedral meshes. The system under …

Entropy and convergence analysis for two finite volume schemes for a Nernst–Planck–Poisson system with ion volume constraints

B Gaudeul, J Fuhrmann - Numerische Mathematik, 2022 - Springer
In this paper, we consider a drift-diffusion system with cross-coupling through the chemical
potentials comprising a model for the motion of finite size ions in liquid electrolytes. The drift …

A Convergent Structure-Preserving Finite-Volume Scheme for the Shigesada--Kawasaki--Teramoto Population System

A Jüngel, A Zurek - SIAM Journal on Numerical Analysis, 2021 - SIAM
An implicit Euler finite-volume scheme for an n-species population cross-diffusion system of
Shigesada--Kawasaki--Teramoto-type in a bounded domain with no-flux boundary …

Convergence of a finite-volume scheme for a degenerate-singular cross-diffusion system for biofilms

ES Daus, A Jüngel, A Zurek - IMA Journal of Numerical Analysis, 2021 - academic.oup.com
An implicit Euler finite-volume scheme for a cross-diffusion system modeling biofilm growth
is analyzed by exploiting its formal gradient-flow structure. The numerical scheme is based …

[PDF][PDF] Structure preservation in high-order hybrid discretisations of potential-driven advection-diffusion: linear and nonlinear approaches

S Lemaire, J Moatti - Mathematics in Engineering, 2024 - hal.science
We are interested in the high-order approximation of anisotropic, potential-driven
advectiondiffusion models on general polytopal partitions. We study two hybrid schemes …

Computational modeling of early-stage breast cancer progression using TPFA method: A numerical investigation

M Alotaibi, F Foucher, M Ibrahim, M Saad - Applied Numerical Mathematics, 2024 - Elsevier
In this paper, a finite volume (TPFA) method is employed to simulate a degenerate breast
cancer model that captures the progressive mutations from a normal breast stem cell to a …

A discrete boundedness-by-entropy method for finite-volume approximations of cross-diffusion systems

A Jüngel, A Zurek - IMA Journal of Numerical Analysis, 2023 - academic.oup.com
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 …