Geometric quasilinearization framework for analysis and design of bound-preserving schemes

K Wu, CW Shu - SIAM Review, 2023 - SIAM
Solutions to many partial differential equations satisfy certain bounds or constraints. For
example, the density and pressure are positive for equations of fluid dynamics, and in the …

[PDF][PDF] A second order accurate in time, energy stable finite element scheme for the Flory-Huggins-Cahn-Hilliard equation

M Yuan, W Chen, C Wang, S Wise… - Advances in applied …, 2022 - par.nsf.gov
In this paper, we propose and analyze a second order accurate in time, mass lumped mixed
finite element scheme for the Cahn-Hilliard equation with a logarithmic Flory-Huggins …

An unconditionally energy stable and positive upwind DG scheme for the Keller–Segel model

D Acosta-Soba, F Guillén-González… - Journal of Scientific …, 2023 - Springer
The well-suited discretization of the Keller–Segel equations for chemotaxis has become a
very challenging problem due to the convective nature inherent to them. This paper aims to …

An unconditionally energy stable linear scheme for Poisson–Nernst–Planck equations

T Qiao, Z Qiao, S Sun, S Zhou - Journal of Computational and Applied …, 2024 - Elsevier
This paper proposes a linear, unconditionally energy-stable scheme for the Poisson–Nernst–
Planck (PNP) equations. Based on a gradient-flow formulation of the PNP equations, the …

Linear multi-step methods and their numerical stability for solving gradient flow equations

QA Huang, W Jiang, JZ Yang, G Zhang - Advances in Computational …, 2023 - Springer
In this paper, linear multi-step methods are used to numerically solve gradient flow models,
and the relations between different numerical stabilities (eg, unconditional energy stability, A …

Unconditionally energy stable and bound-preserving schemes for phase-field surfactant model with moving contact lines

C Wang, Y Guo, Z Zhang - Journal of Scientific Computing, 2022 - Springer
Phase-field surfactant model with moving contact lines (PFS-MCL) has been extensively
investigated in the study of droplet dynamics on solid surfaces in the presence of surfactants …

A positivity-preserving, linear, energy stable and convergent numerical scheme for the Poisson–Nernst–Planck (PNP) system

L Dong, D He, Y Qin, Z Zhang - Journal of Computational and Applied …, 2024 - Elsevier
This article focuses on the convergence analysis for a fully discrete finite difference scheme
for the time-dependent Poisson–Nernst–Planck system. The numerical scheme, a three …

Error estimates for the finite element method of the Navier-Stokes-Poisson-Nernst-Planck equations

M Li, Z Li - Applied Numerical Mathematics, 2024 - Elsevier
In this paper, we consider the linearized backward Euler finite element scheme for the
Navier-Stokes-Poisson-Nernst-Planck (NSPNP) equations. We aim to derive the …

Efficient time-stepping schemes for the Navier-Stokes-Nernst-Planck-Poisson equations

X Zhou, C Xu - Computer Physics Communications, 2023 - Elsevier
We propose in this paper efficient first/second-order time-stepping schemes for the
evolutional Navier-Stokes-Nernst-Planck-Poisson equations. The proposed schemes are …

Convergence and superconvergence analysis for a mass conservative, energy stable and linearized BDF2 scheme of the Poisson–Nernst–Planck equations

M Li, D Shi, Z Li - Communications in Nonlinear Science and Numerical …, 2025 - Elsevier
In this paper, we consider a linearized BDF2 finite element scheme for the Poisson–Nernst–
Planck (PNP) equations. By employing a novel approach, we rigorously derive …