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 …

Finite element modelling of traction-free cracks: Benchmarking the augmented finite element method (AFEM)

S Essongue, G Couégnat, E Martin - Engineering Fracture Mechanics, 2021 - Elsevier
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 …

[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 …

A cracked zone clustering method for discrete fracture with minimal enhanced degrees of freedom

D Dias-da-Costa, MR Carvalho, M Bybordiani - Computer Methods in …, 2021 - Elsevier
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 …

Localised failure of geomaterials: how to extract localisation band behaviour from macro test data

LA Le, GD Nguyen, HH Bui, JE Andrade - Géotechnique, 2022 - icevirtuallibrary.com
The formulation and calibration of constitutive models for geomaterials require material
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 …

[HTML][HTML] Strain localization of elastic-damaging frictional-cohesive materials: Analytical results and numerical verification

JY Wu, M Cervera - Materials, 2017 - mdpi.com
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 …

[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 …

[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 …

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 …