Phase-field implicit material point method with the convected particle domain interpolation for brittle–ductile failure transition in geomaterials involving finite …

Z Hu, H Zhang, Y Zheng, H Ye - Computer Methods in Applied Mechanics …, 2022 - Elsevier
A phase-field implicit material point method with the convected particle domain interpolation
(PF-ICPDI) is proposed to model the brittle–ductile failure transition in pressure-sensitive …

Brittle-ductile failure transition in geomaterials modeled by a modified phase-field method with a varying damage-driving energy coefficient

T You, H Waisman, QZ Zhu - International Journal of Plasticity, 2021 - Elsevier
With elevated confining pressure and low temperatures, geomaterials may exhibit brittle-to-
ductile failure transition due to increased cataclastic flow. In this work, we propose a …

A nonlinear constitutive model for whole stress–strain behaviors of compressed rocks incorporating crack closure effect

L Ren, LY Zhao, FJ Niu, YM Lai… - International Journal for …, 2023 - Wiley Online Library
This paper is devoted to establishing a nonlinear constitutive model incorporating crack
closure effect for capturing the whole process of rock deformation and failure behavior under …

[HTML][HTML] Influence of hysteretic stress path behavior on seal integrity during gas storage operation in a depleted reservoir

P Jeanne, Y Zhang, J Rutqvist - Journal of Rock Mechanics and …, 2020 - Elsevier
In this study, we numerically investigate the influence of hysteretic stress path behavior on
the seal integrity during underground gas storage operations in a depleted reservoir. Our …

[图书][B] Reliability evaluation of dynamic systems excited in time domain-redset: alternative to random vibration and simulation

A Haldar, H Azizsoltani, JR Gaxiola-Camacho… - 2023 - books.google.com
RELIABILITY EVALUATION OF DYNAMIC SYSTEMS EXCITED IN TIME DOMAIN–REDSET
Multi-disciplinary approach to structural reliability analysis for dynamic loadings offering a …

[HTML][HTML] A thermodynamics-based model for brittle to ductile behaviour and localised failure of porous rocks

A Mir, GD Nguyen, AH Sheikh - International Journal of Solids and …, 2018 - Elsevier
This study presents the development of a thermodynamics-based constitutive model for
describing the macro-mechanical behaviour of porous rocks. The model formulation is …

Numerical simulation of mixed mode (I and II) fracture behavior of pre-cracked rock using the strong discontinuity approach

MH Motamedi, DA Weed, CD Foster - International Journal of Solids and …, 2016 - Elsevier
The existence of macroscopic flaws in geomaterial structures profoundly influences their
load-carrying capacity and failure patterns. This paper is devoted to the numerical …

A hardening/softening viscoplastic model for large deformation of soil

SM Parvaneh, CD Foster, SW Chi - International Journal for …, 2022 - Wiley Online Library
A three‐invariant continuum cap plasticity model with viscoplastic features is developed for
modeling the large deformation of soil. Multiple failure mechanisms including combined …

A coupled chemo‐viscoplastic cap model for simulating the behavior of hydrating cemented tailings backfill under blast loading

G Lu, M Fall - International Journal for Numerical and Analytical …, 2016 - Wiley Online Library
Although the use of blasting has become a routine in contemporary mine operations, there is
a lack of knowledge on the response of cement tailings backfills subjected to sudden …

A fully implicit and consistent finite element framework for modeling reservoir compaction with large deformation and nonlinear flow model. Part I: theory and …

Z Liu, R Liu - Computational Geosciences, 2018 - Springer
Reservoir depletion results in rock failure, wellbore instability, hydrocarbon production loss,
oil sand production, and ground surface subsidence. Specifically, the compaction of …