Phase field model of hydraulic fracturing in poroelastic media: Fracture propagation, arrest, and branching under fluid injection and extraction
D Santillán, R Juanes… - Journal of Geophysical …, 2018 - Wiley Online Library
The simulation of fluid‐driven fracture propagation in a porous medium is a major
computational challenge, with applications in geosciences and engineering. The two main …
computational challenge, with applications in geosciences and engineering. The two main …
Finite element modelling of traction-free cracks: Benchmarking the augmented finite element method (AFEM)
This paper investigates the accuracy and the convergence properties of the augmented
finite element method (AFEM). The AFEM is here used to model strong discontinuities …
finite element method (AFEM). The AFEM is here used to model strong discontinuities …
[HTML][HTML] Strong discontinuity approaches: An algorithm for robust performance and comparative assessment of accuracy
F Cazes, G Meschke, MM Zhou - International Journal of Solids and …, 2016 - Elsevier
Abstract The Strong Discontinuity Approach (SDA) is a popular method to incorporate cracks
as displacement discontinuities into finite elements. In the first part of the paper, different …
as displacement discontinuities into finite elements. In the first part of the paper, different …
A cracked zone clustering method for discrete fracture with minimal enhanced degrees of freedom
Many state-of-the-art approaches for predicting discrete fracture within the finite element
framework were designed by enhancing the continuous displacement field with a …
framework were designed by enhancing the continuous displacement field with a …
Localised failure of geomaterials: how to extract localisation band behaviour from macro test data
The formulation and calibration of constitutive models for geomaterials require material
behaviour from experiments under a wide range of triaxial loading conditions. However …
behaviour from experiments under a wide range of triaxial loading conditions. However …
Coupled hydromechanical analysis of sparsely fractured crystalline rocks
AA Jameei, S Pietruszczak - Computers and Geotechnics, 2023 - Elsevier
This paper addresses the issue of evolution and coalescence of localized damage zones in
sparsely fractured crystalline rocks. The approach incorporates a constitutive law with …
sparsely fractured crystalline rocks. The approach incorporates a constitutive law with …
[HTML][HTML] Strain localization of elastic-damaging frictional-cohesive materials: Analytical results and numerical verification
Damage-induced strain softening is of vital importance for the modeling of localized failure
in frictional-cohesive materials. This paper addresses strain localization of damaging solids …
in frictional-cohesive materials. This paper addresses strain localization of damaging solids …
[HTML][HTML] A computational framework for meso and macroscale analysis of structural masonry
K Koocheki, S Pietruszczak, E Haghighat - International Journal of Solids …, 2022 - Elsevier
In this study a computational framework is outlined for modeling the mechanical response of
structural masonry at both meso and macroscale. The mesoscale approach accounts for the …
structural masonry at both meso and macroscale. The mesoscale approach accounts for the …
[HTML][HTML] On hydromechanical interaction during propagation of localized damage in rocks
AA Jameei, S Pietruszczak - Minerals, 2021 - mdpi.com
This paper provides a mathematical description of hydromechanical coupling associated
with propagation of localized damage. The framework incorporates an embedded …
with propagation of localized damage. The framework incorporates an embedded …
Deterministic size effect in concrete structures with account for chemo-mechanical loading
S Moallemi, S Pietruszczak, Z Mróz - Computers & Structures, 2017 - Elsevier
The work presented here is focused on examining the size effect in concrete structures
subjected to different loading conditions, which include a chemo-mechanical interaction …
subjected to different loading conditions, which include a chemo-mechanical interaction …