Modeling density-driven flow and solute transport in heterogeneous reservoirs with micro/macro fractures

AR Khoei, SM Mousavi, N Hosseini - Advances in Water Resources, 2023 - Elsevier
In this paper, a numerical model is presented to simulate the density-driven flow in
heterogeneous porous media with micro-and macro-fractures. The micro-fractures (like …

An advanced discrete fracture model for variably saturated flow in fractured porous media

B Koohbor, M Fahs, H Hoteit, J Doummar… - Advances in Water …, 2020 - Elsevier
Accurate modeling of variably saturated flow (VSF) in fractured porous media with the
discrete fracture-matrix (DFM) model is a computationally challenging problem. The …

Hydraulic fracturing based extraction for remediation of contaminated aquitards considering nonlinear and nonequilibrium sorption: A mathematical model

SJ Feng, XH Ding - Computers and Geotechnics, 2024 - Elsevier
Contaminant back diffusion from low-permeability aquitards can result in long-term plumes
in adjacent aquifer systems, severely impeding groundwater clean-up. Hydraulic fracturing …

Coupling mixed hybrid and extended finite element methods for the simulation of hydro-mechanical processes in fractured porous media

L Guo, M Fahs, B Koohbor, H Hoteit, A Younes… - Computers and …, 2023 - Elsevier
Simulation of coupled hydro-mechanical (HM) processes in fractured porous media requires
specific numerical schemes to deal with nonlinearity, computational burden, and …

Effect of control domains of fractures and caves on reactive transport in porous media

X Su, N Qi, X Li, S Chen, L He - Physics of Fluids, 2023 - pubs.aip.org
It is often highly difficult to predict the main flow path of reactive fluids in porous media with
complexly distributed fractures and/or caves. Based on Darcy's law, this research defines the …

Generalized multiscale finite element methods for the reduced model of Darcy flow in fractured porous media

M Alotaibi, H Chen, S Sun - Journal of Computational and Applied …, 2022 - Elsevier
In this work, we combine the generalized multiscale finite element method (GMsFEM) with a
reduced model based on the discrete fracture model (DFM) to resolve the difficulties of …

Generalized multiscale approximation of a mixed finite element method with velocity elimination for Darcy flow in fractured porous media

Z He, H Chen, J Chen, Z Chen - Computer Methods in Applied Mechanics …, 2021 - Elsevier
In this paper, we propose a multiscale method for solving the Darcy flow of a single-phase
fluid in two-dimensional fractured porous media. We consider a discrete fracture-matrix …

Numerical study of gas–solid transport characteristics within vortex region induced by porous media using lattice-Boltzmann based discrete particle simulation

J Fan, Z Chen, S Fu, Y Zhu, L Wang - Powder Technology, 2024 - Elsevier
Porous media, as delivery carriers, holds great potential application in various fields
particular in drug delivery. A comprehensive understanding of gas–solid transport …

A residual-based a posteriori error estimator for single-phase Darcy flow in fractured porous media

H Chen, S Sun - Numerische Mathematik, 2017 - Springer
In this paper we develop an a posteriori error estimator for a mixed finite element method for
single-phase Darcy flow in a two-dimensional fractured porous media. The discrete fracture …

A Stokes–Darcy–Darcy model and its discontinuous Galerkin method on polytopic grids

R Li, Y Gao, CS Zhang, Z Chen - Journal of Computational Physics, 2024 - Elsevier
In this paper, we propose and numerically solve a model considering confined flow in
fractured porous media coupled with free flow in conduits. Such a situation arises, for …