101 geodynamic modelling: How to design, carry out, and interpret numerical studies

I van Zelst, F Crameri, AE Pusok, A Glerum… - Solid Earth …, 2021 - se.copernicus.org
Geodynamic modelling provides a powerful tool to investigate processes in the Earth's crust,
mantle, and core that are not directly observable. However, numerical models are inherently …

A micromechanics-based variational phase-field model for fracture in geomaterials with brittle-tensile and compressive-ductile behavior

J Ulloa, J Wambacq, R Alessi, E Samaniego… - Journal of the …, 2022 - Elsevier
This paper presents a framework for modeling failure in quasi-brittle geomaterials under
different loading conditions. A micromechanics-based model is proposed in which the field …

Variational modeling of hydromechanical fracture in saturated porous media: A micromechanics-based phase-field approach

J Ulloa, N Noii, R Alessi, F Aldakheel… - Computer Methods in …, 2022 - Elsevier
This paper presents a novel variational phase-field model for different fracture processes in
fully saturated porous media. As a key feature, the model employs a micromechanics-based …

A computational periporomechanics model for localized failure in unsaturated porous media

S Menon, X Song - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
This article is devoted to a computational plastic periporomechanics model for localized
failure in unsaturated porous media assuming passive atmospheric pressure. The …

Impact of anthropogenic pressure on physico-chemical characteristics of forest soils of Kashmir Himalaya

RA Rather, H Bano, SA Padder, TR Baba, S Ara… - Bulletin of …, 2022 - Springer
The present study was carried out during the years 2017–2018 and assessed the impact of
anthropogenic activities on the physico-chemical characteristics of soil in the Kashmir …

Resolving strain localization in frictional and time‐dependent plasticity: Two‐and three‐dimensional numerical modeling study using graphical processing units …

Y Alkhimenkov, L Khakimova, I Utkin… - Journal of …, 2024 - Wiley Online Library
Shear strain localization refers to the phenomenon of accumulation of material deformation
in narrow slip zones. Many materials exhibit strain localization under different spatial and …

A binary-medium-based constitutive model for porous rocks

Y Chen, E Liu, Y Yu, H Luo, P Chen - International Journal of Rock …, 2023 - Elsevier
In this work, a binary-medium-based constitutive model for porous rocks is proposed under
the framework of micromechanics. The porous rock at mesolevel is considered a two-phase …

[HTML][HTML] 101 geodynamic modelling: how to design, interpret, and communicate numerical studies of the solid Earth

I Van Zelst, F Crameri, AE Pusok, A Glerum… - Solid Earth, 2022 - se.copernicus.org
Geodynamic modelling provides a powerful tool to investigate processes in the Earth's crust,
mantle, and core that are not directly observable. However, numerical models are inherently …

Micromechanics-based variational phase-field modeling of Brazilian splitting tests

M Sarem, NE Deresse, J Ulloa, E Verstrynge… - Engineering Fracture …, 2023 - Elsevier
The simulation of the Brazilian splitting test can be challenging due to the presence of stress
concentrations near the load points, which can lead to numerical problems and …

Thermomechanics for geological, civil engineering and geodynamic applications: Rate-dependent critical state line models

AB Jacquey, K Regenauer-Lieb - Rock Mechanics and Rock Engineering, 2021 - Springer
Equilibrium thermodynamics has been of fundamental importance to many branches of
engineering including cyclical mechanical applications. However, in geomechanics and …