A stabilized two-phase PD-FEM coupling approach for modeling partially saturated porous media

W Sun, J Fish, F Liu, Y Lu - Acta Geotechnica, 2023 - Springer
In the present manuscript, a stabilized two-phase PD-FEM coupling approach is developed
for simulating deformation and fracture propagation in partially saturated porous media …

Modeling fracture propagation in a rock‐water‐air system with the assumed enhanced strain method

F Liu - International Journal for Numerical Methods in …, 2022 - Wiley Online Library
This article presents a fully coupled finite element method for the single cohesive fracture
propagation in a deformable porous medium (rock) interacting with two immiscible pore …

[HTML][HTML] An assumed enhanced strain finite element framework for tensile fracturing processes with dual-mechanism failure in transversely isotropic rocks

Y Zhao, R Wang, JM Zhang - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
We present an assumed enhanced strain finite element framework for the simulation of
tensile fracturing processes in transversely isotropic rocks. Fractures along the weak …

A novel enriched degree of freedom method for absorbing boundary conditions in the time-domain finite element method

J Chen, Z Zhao, X Zhou - Engineering with Computers, 2023 - Springer
This paper proposes an enriched degree of freedom method for absorbing boundary
conditions in the time-domain finite element method (TD-FEM). In the proposed method, to …

Thermodynamically consistent non-local damage formulation for fluid-driven fracture in poro-viscoelastic media

Y Chen, ME Mobasher, C Gu, D Zheng, H Waisman - Acta Geotechnica, 2022 - Springer
We present a novel non-local integral-type damage formulation for hydraulic fracture of poro-
viscoelastic media under the framework of irreversible thermodynamics. The poro …

Coupled hydro-mechanical XFEM analysis for multi-fracturing through an excavation driven by an underlying aquifer: a forensic case study

Y Hong, J Zhang, Y Zhao, L Wang, L Wang - Acta Geotechnica, 2024 - Springer
This paper presents a forensic numerical study on hydro-fracturing at three locations within
an excavation in a clayey till underlain by an aquifer in Ontario, Canada. The pioneering …

[HTML][HTML] A smoothed assumed enhanced strain method for frictional contact with constant strain elements

F Liu, W Sun, M Li, X Shang - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
This paper presents a finite element framework for imposing frictional contact conditions on
embedded fracture faces, implemented by the constant-strain assumed enhanced strain …

A coupled hydro-mechanical field-enriched finite element method for simulating the hydraulic fracture process of rocks subjected to in situ stresses

L Han, X Zhou - Acta Geotechnica, 2025 - Springer
A coupled hydro-mechanical field-enriched finite element method (HM-FE-FEM) is
developed for simulating the hydraulic fracture process of rocks subjected to in situ stresses …

Progressive Failure Analysis of Soil Slope with Strain Softening Behavior Based on Peridynamics

C Wang, J Zhao, W Zheng - Advances in Civil Engineering, 2023 - Wiley Online Library
In this study, the nonlocal, nonordinary state‐based peridynamics (NOSBPD) is introduced
as a novel regularization technique to study the strain localization and progressive failure of …

An algorithm for cohesive crack propagation in variably saturated porous media via a time sub-stepping scheme

A Mokhtari Varnosfaderani, E Motevali Haghighi… - Acta Geotechnica, 2024 - Springer
This study presents a novel approach for simulating hydraulic fracture propagation in
variably saturated porous media using the time sub-stepping method. Based on the authors' …