Thermal-hydraulic-mechanical-chemical modeling and simulation of an enhanced geothermal system based on the framework of extended finite element methods …

W Zhang, D Han, B Wang, Y Chen, K Jiao… - Journal of Cleaner …, 2023 - Elsevier
The thermo-hydro-mechanical-chemical (THMC) coupling process plays a crucial role in
Enhanced Geothermal System (EGS), particularly during long-term heat extraction …

An efficient discontinuous Galerkin-mixed finite element model for variable density flow in fractured porous media

A Younes, B Koohbor, M Fahs, H Hoteit - Journal of Computational Physics, 2023 - Elsevier
Modeling variable density flow (VDF) in fractured porous media is computationally
challenging. The challenges are mainly related to:(i) the high permeability contrast between …

Effect of temperature on convective-reactive transport of CO2 in geological formations

S Tabrizinejadas, M Fahs, H Hoteit, A Younes… - International Journal of …, 2023 - Elsevier
Geological CO 2 sequestration (GCS) remains the main promising solution to mitigate global
warming. Understating the fate of CO 2 behavior is crucial for securing its containment in the …

Laboratory and numerical investigation of saline intrusion in fractured coastal aquifers

G Etsias, GA Hamill, D Campbell, R Straney… - Advances in Water …, 2021 - Elsevier
Laboratory scale experiments and numerical modelling were employed in this study to
investigate saltwater intrusion in fractured aquifers. Saline intrusion was initiated in one …

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 …

A Semi‐Analytical Solution for the Equivalent Permeability Coefficient of the Multilayered Porous Medium With Continuous Fracture

S Zhang, X Liu - Water Resources Research, 2024 - Wiley Online Library
Fractures significantly alter the permeability characteristics of the natural porous media,
especially for the multilayered porous medium system. The most direct and effective …

Coupled hydro-mechanical two-phase flow model in fractured porous medium with the combined finite-discrete element method

L Sun, X Tang, KR Aboayanah, X Xu, Q Liu… - Engineering with …, 2024 - Springer
This paper presents a time-explicit, fully coupled, hydro-mechanical model to simulate the
two-phase flow process in fractured porous media, considering the geomechanical effect …

Evaluation and quantification of the effects of climate and vegetation cover change on karst water sources: Case studies of two springs in south-western slovenia

G Kovačič, M Petrič, N Ravbar - Water, 2020 - mdpi.com
Karst aquifers hold important water resources such as regional water budgets and
freshwater supply. Due to highly dynamic hydrological processes in comparison to other …

Semi-Analytical Solution to Assess CO2 Leakage in the Subsurface through Abandoned Wells

T Qiao, H Hoteit, M Fahs - Energies, 2021 - mdpi.com
Geological carbon storage is an effective method capable of reducing carbon dioxide (CO2)
emissions at significant scales. Subsurface reservoirs with sealing caprocks can provide …

A new discrete fracture approach based on the use of coupling finite elements for modeling fluid transport in naturally fractured porous media

OL Manzoli, LFA Borges, EA Rodrigues… - Computer Methods in …, 2021 - Elsevier
The presence of natural fractures in a porous medium strongly influences the fluid flow path.
The complex geometric characteristics of the fracture network create preferential channels …