A second-order accurate, unconditionally energy stable numerical scheme for binary fluid flows on arbitrarily curved surfaces

Q Xia, Q Yu, Y Li - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
In this paper, a second-order temporal and spatial accurate, unconditionally energy stable
scheme for the binary fluid flows model on arbitrarily curved surfaces is proposed. We …

Modeling and numerical simulation of surfactant systems with incompressible fluid flows on surfaces

M Sun, X Xiao, X Feng, K Wang - Computer Methods in Applied Mechanics …, 2022 - Elsevier
In this paper, we consider the mathematical modeling and numerical approximation for the
fluid-surfactant phase field model coupled with the Navier–Stokes equations on surfaces …

Linear and fully decoupled scheme for a hydrodynamics coupled phase-field surfactant system based on a multiple auxiliary variables approach

J Yang, Z Tan, J Kim - Journal of Computational Physics, 2022 - Elsevier
We propose a linear, fully decoupled, and energy stable finite difference scheme for solving
a phase-field surfactant fluid system. Inspired by the idea of multiple scalar auxiliary …

First-and second-order unconditionally stable direct discretization methods for multi-component Cahn–Hilliard system on surfaces

Y Li, R Liu, Q Xia, C He, Z Li - Journal of Computational and Applied …, 2022 - Elsevier
This paper proposes a first-and second-order unconditionally stable direct discretization
method based on a surface mesh consisting of piecewise triangles and its dual-surface …

A variant of stabilized-scalar auxiliary variable (S-SAV) approach for a modified phase-field surfactant model

J Yang, J Kim - Computer Physics Communications, 2021 - Elsevier
In this article, we develop a new linear, decoupled, second-order accurate, and energy
stable numerical method for a modified phase-field surfactant model (Xu et al., 2020). The …

Binary thermal fluids computation over arbitrary surfaces with second-order accuracy and unconditional energy stability based on phase-field model

Q Xia, Y Liu, J Kim, Y Li - Journal of Computational and Applied …, 2023 - Elsevier
In this paper, we propose an efficient surface computational system with second-order
spatial and temporal accuracy to solve multiple physical field coupling problems over …

Energy-stable method for the Cahn–Hilliard equation in arbitrary domains

J Yang, J Wang, J Kim - International Journal of Mechanical Sciences, 2022 - Elsevier
Phase transition in an irregular domain is a common phenomenon in the natural world. In
this study, we develop novel linear, temporally first-and second-order accurate, and …

Efficient IMEX and consistently energy-stable methods of diffuse-interface models for incompressible three-component flows

J Yang, J Wang, Z Tan, J Kim - Computer Physics Communications, 2023 - Elsevier
In this study, we consider the numerical approximation of incompressible three-component
fluids, in which the fluid interfaces are captured by ternary Cahn–Hilliard equations and the …

Numerical study of the ternary Cahn–Hilliard fluids by using an efficient modified scalar auxiliary variable approach

J Yang, J Kim - Communications in Nonlinear Science and Numerical …, 2021 - Elsevier
Herein, we propose linear, decoupled, and energy dissipation-preserving schemes for the
ternary Cahn–Hilliard (CH) fluid models by using a modified scalar auxiliary variable …

Unconditionally energy-stable time-marching methods for the multi-phase conservative Allen–Cahn fluid models based on a modified SAV approach

J Wu, J Yang, Z Tan - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
In this study, we add nonlocal Lagrange multipliers to the Allen–Cahn (AC) equation to
establish the N-component conservative Allen–Cahn (CAC) system and the ternary …