A second order in time, uniquely solvable, unconditionally stable numerical scheme for Cahn–Hilliard–Navier–Stokes equation

D Han, X Wang - Journal of Computational Physics, 2015 - Elsevier
We propose a novel second order in time numerical scheme for Cahn–Hilliard–Navier–
Stokes phase field model with matched density. The scheme is based on second order …

Decoupled, linear, and energy stable finite element method for the Cahn--Hilliard--Navier--Stokes--Darcy phase field model

Y Gao, X He, L Mei, X Yang - SIAM Journal on Scientific Computing, 2018 - SIAM
In this paper, we consider the numerical approximation for a phase field model of the
coupled two-phase free flow and two-phase porous media flow. This model consists of Cahn …

A domain decomposition method for the time-dependent Navier-Stokes-Darcy model with Beavers-Joseph interface condition and defective boundary condition

C Qiu, X He, J Li, Y Lin - Journal of Computational Physics, 2020 - Elsevier
In this article a domain decomposition method is proposed to solve a time-dependent Navier-
Stokes-Darcy model with Beavers-Joseph interface condition and defective boundary …

A domain decomposition method for the steady-state Navier--Stokes--Darcy model with Beavers--Joseph interface condition

X He, J Li, Y Lin, J Ming - SIAM Journal on Scientific Computing, 2015 - SIAM
This paper proposes and analyzes a Robin-type multiphysics domain decomposition
method (DDM) for the steady-state Navier--Stokes--Darcy model with three interface …

A diffuse interface model and semi-implicit energy stable finite element method for two-phase magnetohydrodynamic flows

J Yang, S Mao, X He, X Yang, Y He - Computer methods in applied …, 2019 - Elsevier
In this paper, we propose a diffuse interface model and finite element approximation for two-
phase magnetohydrodynamic (MHD) flows with different viscosities and electric …

Unconditionally stable numerical methods for Cahn-Hilliard-Navier-Stokes-Darcy system with different densities and viscosities

Y Gao, D Han, X He, U Rüde - Journal of Computational Physics, 2022 - Elsevier
In this article we consider the numerical modeling and simulation via the phase field
approach for coupled two-phase free flow and two-phase porous media flow of different …

An artificial compressibility ensemble algorithm for a stochastic Stokes‐Darcy model with random hydraulic conductivity and interface conditions

X He, N Jiang, C Qiu - International Journal for Numerical …, 2020 - Wiley Online Library
We propose and analyze an efficient ensemble algorithm with artificial compressibility (AC)
for fast decoupled computation of multiple realizations of the stochastic Stokes‐Darcy model …

Error estimate of a decoupled numerical scheme for the Cahn–Hilliard–Stokes–Darcy system

W Chen, S Wang, Y Zhang, D Han… - IMA journal of …, 2022 - academic.oup.com
We analyze a fully discrete finite element numerical scheme for the Cahn–Hilliard–Stokes–
Darcy system that models two-phase flows in coupled free flow and porous media. To avoid …

Modeling and a Robin-type decoupled finite element method for dual-porosity–Navier–Stokes system with application to flows around multistage fractured horizontal …

J Hou, D Hu, X He, C Qiu - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
In this article, we present a time-dependent dual-porosity–Navier–Stokes model with four
interface conditions, including Beavers–Joseph interface condition, to describe a coupling …

[HTML][HTML] Existence and uniqueness of global weak solutions to a Cahn–Hilliard–Stokes–Darcy system for two phase incompressible flows in karstic geometry

D Han, X Wang, H Wu - Journal of Differential Equations, 2014 - Elsevier
We study the well-posedness of a coupled Cahn–Hilliard–Stokes–Darcy system which is a
diffuse-interface model for essentially immiscible two phase incompressible flows with …