Numerical solution of Richards' equation: A review of advances and challenges
MW Farthing, FL Ogden - Soil Science Society of America …, 2017 - Wiley Online Library
Core Ideas The numerical solution of Richards' equation remains challenging. Space/time
discretization affects both computational effort and accuracy. Adaption of space and time …
discretization affects both computational effort and accuracy. Adaption of space and time …
An advanced discrete fracture model for variably saturated flow in fractured porous media
Accurate modeling of variably saturated flow (VSF) in fractured porous media with the
discrete fracture-matrix (DFM) model is a computationally challenging problem. The …
discrete fracture-matrix (DFM) model is a computationally challenging problem. The …
Effect of temperature on convective-reactive transport of CO2 in geological formations
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 …
warming. Understating the fate of CO 2 behavior is crucial for securing its containment in the …
Three-dimensional natural convection, entropy generation and mixing in heterogeneous porous medium
Abstract Three-dimensional (3D) natural convection (NC) processes in heterogeneous
porous media and associated energy losses and mixing processes are still poorly …
porous media and associated energy losses and mixing processes are still poorly …
[HTML][HTML] A discontinuous control volume finite element method for multi-phase flow in heterogeneous porous media
We present a new, high-order, control-volume-finite-element (CVFE) method for multiphase
porous media flow with discontinuous 1st-order representation for pressure and …
porous media flow with discontinuous 1st-order representation for pressure and …
Mixed-hybrid and vertex-discontinuous-Galerkin finite element modeling of multiphase compositional flow on 3D unstructured grids
J Moortgat, A Firoozabadi - Journal of Computational Physics, 2016 - Elsevier
Problems of interest in hydrogeology and hydrocarbon resources involve complex
heterogeneous geological formations. Such domains are most accurately represented in …
heterogeneous geological formations. Such domains are most accurately represented in …
[HTML][HTML] Sensitivity and identifiability of hydraulic and geophysical parameters from streaming potential signals in unsaturated porous media
Fluid flow in a charged porous medium generates electric potentials called streaming
potential (SP). The SP signal is related to both hydraulic and electrical properties of the soil …
potential (SP). The SP signal is related to both hydraulic and electrical properties of the soil …
Higher-order simulation of two-phase compositional flow in 3D with non-planar fractures
A Zidane, A Firoozabadi - Journal of Computational Physics, 2020 - Elsevier
Non-planar fractures are often created in hydraulic fracturing. These irregular shape
fractures may reduce the penetration into the formation; they may also improve the reservoir …
fractures may reduce the penetration into the formation; they may also improve the reservoir …
Image analysis method for the measurement of water saturation in a two-dimensional experimental flow tank
B Belfort, S Weill, F Lehmann - Journal of hydrology, 2017 - Elsevier
A novel, non-invasive imaging technique is proposed that determines 2D maps of water
content in unsaturated porous media. This method directly relates digitally measured …
content in unsaturated porous media. This method directly relates digitally measured …
Numerical investigation of flow instabilities using fully unstructured discretization for variably saturated flow problems
Richards equation for variably saturated flow can exhibit stability problems due to its
nonlinearity. The challenge is to resolve sharp wetting fronts without introducing spurious …
nonlinearity. The challenge is to resolve sharp wetting fronts without introducing spurious …