The phase field method for geometric moving interfaces and their numerical approximations

Q Du, X Feng - Handbook of numerical analysis, 2020 - Elsevier
This chapter surveys recent numerical advances in the phase field method for geometric
surface evolution and related geometric nonlinear partial differential equations (PDEs) …

The scalar auxiliary variable (SAV) approach for gradient flows

J Shen, J Xu, J Yang - Journal of Computational Physics, 2018 - Elsevier
We propose a new approach, which we term as scalar auxiliary variable (SAV) approach, to
construct efficient and accurate time discretization schemes for a large class of gradient …

Energy-decaying extrapolated RK--SAV methods for the Allen--Cahn and Cahn--Hilliard equations

G Akrivis, B Li, D Li - SIAM Journal on Scientific Computing, 2019 - SIAM
We construct and analyze a class of extrapolated and linearized Runge--Kutta (RK)
methods, which can be of arbitrarily high order, for the time discretization of the Allen--Cahn …

Numerical approximations for a three-component Cahn–Hilliard phase-field model based on the invariant energy quadratization method

X Yang, J Zhao, Q Wang, J Shen - Mathematical Models and …, 2017 - World Scientific
How to develop efficient numerical schemes while preserving energy stability at the discrete
level is challenging for the three-component Cahn–Hilliard phase-field model. In this paper …

A novel fully-decoupled, second-order and energy stable numerical scheme of the conserved Allen–Cahn type flow-coupled binary surfactant model

X Yang - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
In this paper, we establish a binary fluid surfactant model by coupling two mass-conserved
Allen–Cahn equations and the Navier–Stokes equations and consider numerical …

A phase-field moving contact line model with soluble surfactants

G Zhu, J Kou, J Yao, A Li, S Sun - Journal of Computational Physics, 2020 - Elsevier
A phase-field moving contact line model is presented for a two-phase system with soluble
surfactants. With the introduction of some scalar auxiliary variables, the original free energy …

Efficient numerical scheme for a dendritic solidification phase field model with melt convection

C Chen, X Yang - Journal of Computational Physics, 2019 - Elsevier
In this paper, we consider numerical approximations for a dendritic solidification phase field
model with melt convection in the liquid phase, which is a highly nonlinear system that …

On a novel fully decoupled, second-order accurate energy stable numerical scheme for a binary fluid-surfactant phase-field model

X Yang - SIAM Journal on Scientific Computing, 2021 - SIAM
The binary fluid surfactant phase-field model, coupled with two Cahn--Hilliard equations and
Navier--Stokes equations, is a very complex nonlinear system, which poses many …

A novel linear second order unconditionally energy stable scheme for a hydrodynamic Q-tensor model of liquid crystals

J Zhao, X Yang, Y Gong, Q Wang - Computer Methods in Applied …, 2017 - Elsevier
The hydrodynamic Q-tensor model has been used for studying flows of liquid crystals and
liquid crystal polymers. It can be derived from a variational approach together with the …

Unconditionally energy-stable finite element scheme for the chemotaxis-fluid system

Y Tang, G Zou, J Li - Journal of Scientific Computing, 2023 - Springer
In this paper, we first deduce an improved chemotaxis-fluid system by introducing a
chemotactic stress force, which can be used to describe the chemotactic movement of …