64 citations · 272 across the 22 of their papers we have counts for
22 papers
An Unconditionally Energy-Stable and Orthonormality-Preserving Iterative Scheme for the Kohn-Sham Gradient Flow Based Model
Xiuping Wang, Huangxin Chen, Jisheng Kou +1
We propose an unconditionally energy-stable, orthonormality-preserving, component-wise splitting iterative scheme for the Kohn-Sham gradient flow based model in the electronic stru…
Benchmark modeling and 3D applications of solidification and macro-segregation based on an operator-splitting and fully decoupled scheme with term-wise matrix assembly
Xiaoyu Feng, Huangxin Chen, Bo Yu +1
The solidification and macro-segregation problem involving unsteady multi-physics and multi-phase fields is typically a complex process with mass, momentum, heat, and species trans…
Molecular Perspectives of Interfacial Properties in the Water+Hydrogen System in Contact with Silica or Kerogen
Yafan Yang, Arun Kumar Narayanan Nair, Weiwei Zhu +2
Interfacial behaviours in multiphase systems containing H2 are crucial to underground H2 storage but are not well understood. Molecular dynamics simulations were conducted to study…
Physics-preserving IMPES based multiscale methods for immiscible two-phase flow in highly heterogeneous porous media
Yiran Wang, Eric Chung, Shuyu Sun
In this paper, we propose a physics-preserving multiscale method to solve an immiscible two-phase flow problem, which is modeled as a coupling system consisting of Darcy's law and…
An energy-stable Smoothed Particle Hydrodynamics discretization of the Navier-Stokes-Cahn-Hilliard model for incompressible two-phase flows
Xiaoyu Feng, Zhonghua Qiao, Shuyu Sun +1
Varieties of energy-stable numerical methods have been developed for incompressible two-phase flows based on the Navier-Stokes-Cahn-Hilliard (NSCH) model in the Eulerian framework,…
A strongly mass conservative method for the coupled Brinkman-Darcy flow and transport
Lina Zhao, Shuyu Sun
In this paper, a strongly mass conservative and stabilizer free scheme is designed and analyzed for the coupled Brinkman-Darcy flow and transport. The flow equations are discretize…
Construction of a minimum energy path for the VT flash model by an exponential time differencing scheme with the string method
Yuze Zhang, Yiteng Li, Lei Zhang +1
Phase equilibrium calculation, also known as flash calculation, plays significant roles in various aspects of petroleum and chemical industries. Since Michelsen proposed his milest…
A Decoupled Scheme to Solve the Mass and Momentum Conservation Equations of the Improved Darcy-Brinkman-Forchheimer Framework in Matrix Acidization
Yuanqing Wu, Jisheng Kou, Yu-Shu Wu +2
Matrix acidization simulation is a challenging task in the study of flows in porous media, due to the changing porosity in the procedure. The improved DBF framework is one model to…
Thermodynamically Consistent Darcy-Brinkman-Forchheimer Framework in Matrix Acidization
Yuanqing Wu, Jisheng Kou, Shuyu Sun +1
Matrix acidization is an important technique to enhance oil production at the tertiary recovery stage, and its numerical simulation is never concluded. From one of the earliest mod…
A new physics-preserving IMPES scheme for incompressible and immiscible two-phase flow in heterogeneous porous media
Huangxin Chen, Shuyu Sun
In this work we consider a new efficient IMplicit Pressure Explicit Saturation (IMPES) scheme for the simulation of incompressible and immiscible two-phase flow in heterogeneous po…
A full multigrid multilevel Monte Carlo method for the single phase subsurface flow with random coefficients
Yang Liu, Jingfa Li, Shuyu Sun +1
The subsurface flow is usually subject to uncertain porous media structures. In most cases, however, we only have partial knowledge about the porous media properties. A common appr…
A novel energy factorization approach for the diffuse-interface model with Peng-Robinson equation of state
Jisheng Kou, Shuyu Sun, Xiuhua Wang
The Peng-Robinson equation of state (PR-EoS) has become one of the most extensively applied equations of state in chemical engineering and petroleum industry due to its excellent a…
Accelerating Flash Calculation through Deep Learning Methods
Yu Li, Tao Zhang, Shuyu Sun +1
In the past two decades, researchers have made remarkable progress in accelerating flash calculation, which is very useful in a variety of engineering processes. In this paper, gen…
A Novel Energy Stable Numerical Scheme for Navier-Stokes-Cahn-Hilliard Two-phase Flow Model with Variable Densities and Viscosities
Xiaoyu Feng, Jisheng Kou, Shuyu Sun
A novel numerical scheme including time and spatial discretization is offered for coupled Cahn-Hilliard and Navier-Stokes governing equation sys-tem in this paper. Variable densiti…
Numerical approximation of a phase-field surfactant model with fluid flow
Guangpu Zhu, Jisheng Kou, Shuyu Sun +2
Modelling interfacial dynamics with soluble surfactants in a multiphase system is a challenging task. Here, we consider the numerical approximation of a phase-field surfactant mode…
Entropy stable modeling of non-isothermal multi-component diffuse-interface two-phase flows with realistic equations of state
Jisheng Kou, Shuyu Sun
In this paper, we consider mathematical modeling and numerical simulation of non-isothermal compressible multi-component diffuse-interface two-phase flows with realistic equations…
A fully discrete energy stable scheme for a phase-field moving contact line model with variable densities and viscosities
Guangpu Zhu, Huangxin Chen, Aifen Li +2
In this work, we propose a fully discrete energy stable scheme for the phase-field moving contact line model with variable densities and viscosities. The mathematical model consist…
Linearly decoupled energy-stable numerical methods for multi-component two-phase compressible flow
Jisheng Kou, Shuyu Sun, Xiuhua Wang
In this paper, for the first time we propose two linear, decoupled, energy-stable numerical schemes for multi-component two-phase compressible flow with a realistic equation of sta…
Thermodynamically consistent simulation of nonisothermal diffuse-interface two-phase flow with Peng-Robinson equation of state
Jisheng Kou, Shuyu Sun
In this paper, we consider a diffuse-interface gas-liquid two-phase flow model with inhomogeneous temperatures, in which we employ the Peng-Robinson equation of state and the tempe…
Thermodynamically consistent modeling and simulation of multi-component two-phase flow model with partial miscibility
Jisheng Kou, Shuyu Sun
A general diffuse interface model with a realistic equation of state (e.g. Peng-Robinson equation of state) is proposed to describe the multi-component two-phase fluid flow based o…
Residual-based a posteriori error estimation for multipoint flux mixed finite element methods
Shaohong Du, Shuyu Sun, Xiaoping Xie
A novel residual-type {\it a posteriori} error analysis technique is developed for multipoint flux mixed finite element methods for flow in porous media in two or three space dimen…
Numerical Modeling of Nanoparticles Transport with Two-Phase Flow in Porous Media Using Iterative Implicit Method
M. F. El-Amin, Jisheng Kou, Shuyu Sun +1
In this paper, we introduce a mathematical model to describe the nanoparticles transport carried by a two-phase flow in a porous medium including gravity, capillary forces and Brow…