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 …

A dual-porosity-Stokes model and finite element method for coupling dual-porosity flow and free flow

J Hou, M Qiu, X He, C Guo, M Wei, B Bai - SIAM Journal on Scientific …, 2016 - SIAM
In this paper, we propose and numerically solve a new model considering confined flow in
dual-porosity media coupled with free flow in embedded macrofractures and conduits. Such …

Mortar multiscale finite element methods for Stokes–Darcy flows

V Girault, D Vassilev, I Yotov - Numerische Mathematik, 2014 - Springer
We investigate mortar multiscale numerical methods for coupled Stokes and Darcy flows
with the Beavers–Joseph–Saffman interface condition. The domain is decomposed into a …

Discontinuous Galerkin and mimetic finite difference methods for coupled Stokes–Darcy flows on polygonal and polyhedral grids

K Lipnikov, D Vassilev, I Yotov - Numerische Mathematik, 2014 - Springer
We study locally mass conservative approximations of coupled Darcy and Stokes flows on
polygonal and polyhedral meshes. The discontinuous Galerkin (DG) finite element method …

Coupled and decoupled stabilized mixed finite element methods for nonstationary dual‐porosity‐Stokes fluid flow model

MA Al Mahbub, X He, NJ Nasu, C Qiu… - … Journal for Numerical …, 2019 - Wiley Online Library
In this paper, we propose and analyze two stabilized mixed finite element methods for the
dual‐porosity‐Stokes model, which couples the free flow region and microfracture‐matrix …

A divergence free weak virtual element method for the Stokes–Darcy problem on general meshes

G Wang, F Wang, L Chen, Y He - Computer Methods in Applied Mechanics …, 2019 - Elsevier
This paper presents a weak virtual element method on general meshes for the Stokes–
Darcy problem with the Beavers–Joseph–Saffman interface condition. The velocity is …

[图书][B] A decoupled model for compositional non-isothermal multiphase flow in porous media and multiphysics approaches for two-phase flow

J Fritz - 2010 - elib.uni-stuttgart.de
The demands of computational resources of a simulator and the necessary efforts in defining
boundary and initial conditions increase with the physical complexity of a model. Thus, a …

On Stokes--Ritz projection and multistep backward differentiation schemes in decoupling the Stokes--Darcy model

M Gunzburger, X He, B Li - SIAM Journal on Numerical Analysis, 2018 - SIAM
We analyze a parallel, noniterative, multiphysics domain decomposition method for
decoupling the Stokes--Darcy model with multistep backward differentiation schemes for the …

Domain decomposition for coupled Stokes and Darcy flows

D Vassilev, CQ Wang, I Yotov - Computer Methods in Applied Mechanics …, 2014 - Elsevier
A non-overlapping domain decomposition method is presented to solve a coupled Stokes–
Darcy flow problem in parallel by partitioning the computational domain into multiple …

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 …