A multiscale multi-permeability poroplasticity model linked by recursive homogenizations and deep learning
Many geological materials, such as shale, mudstone, carbonate rock, limestone and rock
salt are multi-porosity porous media in which pores of different scales may co-exist in the …
salt are multi-porosity porous media in which pores of different scales may co-exist in the …
Physics-informed neural network simulation of multiphase poroelasticity using stress-split sequential training
Physics-informed neural networks (PINNs) have received significant attention as a unified
framework for forward, inverse, and surrogate modeling of problems governed by partial …
framework for forward, inverse, and surrogate modeling of problems governed by partial …
Stability and convergence of sequential methods for coupled flow and geomechanics: Fixed-stress and fixed-strain splits
We analyze stability and convergence of sequential implicit methods for coupled flow and
geomechanics, in which the flow problem is solved first. We employ the von Neumann and …
geomechanics, in which the flow problem is solved first. We employ the von Neumann and …
A mixed-mode phase field fracture model in anisotropic rocks with consistent kinematics
Under a pure tensile loading, cracks in brittle, isotropic, and homogeneous materials often
propagate such that pure mode I kinematics are maintained at the crack tip. However …
propagate such that pure mode I kinematics are maintained at the crack tip. However …
Stability, accuracy, and efficiency of sequential methods for coupled flow and geomechanics
We perform detailed stability and convergence analyses of sequential-implicit solution
methods for coupled fluid flow and reservoir geomechanics. We analyze four different …
methods for coupled fluid flow and reservoir geomechanics. We analyze four different …
Block-partitioned solvers for coupled poromechanics: A unified framework
Coupled poromechanical problems appear in a variety of disciplines, from reservoir
engineering to biomedical applications. This work focuses on efficient strategies for solving …
engineering to biomedical applications. This work focuses on efficient strategies for solving …
A semi-implicit material point method for coupled thermo-hydro-mechanical simulation of saturated porous media in large deformation
The coupled thermo-hydro-mechanical (THM) response of liquid-infiltrated porous media
underpins the safe operation and maintenance of key engineering infrastructure …
underpins the safe operation and maintenance of key engineering infrastructure …
Stability and convergence of sequential methods for coupled flow and geomechanics: Drained and undrained splits
We perform a stability and convergence analysis of sequential methods for coupled flow and
geomechanics, in which the mechanics sub-problem is solved first. We consider slow …
geomechanics, in which the mechanics sub-problem is solved first. We consider slow …
Geomechanical behavior of the reservoir and caprock system at the In Salah CO2 storage project
Almost 4 million metric tons of CO2 were injected at the In Salah CO2 storage site between
2004 and 2011. Storage integrity at the site is provided by a 950-m-thick caprock that sits …
2004 and 2011. Storage integrity at the site is provided by a 950-m-thick caprock that sits …
Dynamic analysis of large deformation problems in saturated porous media by smoothed particle finite element method
This study presents a new formulation of smoothed particle finite element method (SPFEM)
for dynamic problems in two-phase saturated porous media. A node integration method is …
for dynamic problems in two-phase saturated porous media. A node integration method is …