A numerical investigation of slope stability influenced by the combined effects of reservoir water level fluctuations and precipitation: A case study of the Bianjiazhai …

L Kafle, WJ Xu, SY Zeng, T Nagel - Engineering Geology, 2022 - Elsevier
Slope failure near a reservoir area is mainly influenced by rainfall and reservoir water
fluctuation. This study provides insights into the deformation and failure process of the …

[HTML][HTML] Modelling of the elastoplastic behaviour of the bio-cemented soils using an extended Modified Cam Clay model

X Wang, CB Silbermann, T Nagel… - Journal of Rock …, 2024 - Elsevier
An elastoplastic constitutive model based on the Modified Cam Clay (MCC) model is
developed to describe the mechanical behaviour of soils cemented via microbially induced …

The influence of cavern length on deformation and barrier integrity around horizontal energy storage salt caverns

J Li, N Zhang, W Xu, D Naumov, T Fischer, Y Chen… - Energy, 2022 - Elsevier
Horizontal cavern structures are discussed as a means to constructing energy storage
facilities in bedded salt formations. During their design, the spacing of injection and …

[HTML][HTML] UMAT4COMSOL: An Abaqus user material (UMAT) subroutine wrapper for COMSOL

S Lucarini, E Martínez-Pañeda - Advances in Engineering Software, 2024 - Elsevier
We present a wrapper that allows Abaqus user material subroutines (UMATs) to be used as
an External Material library in the software COMSOL Multiphysics. The wrapper, written in C …

Stress level estimates in coated or uncoated silicon nanoparticles during lithiation

G Viana, R Masson, B Michel, B Mathieu… - European Journal of …, 2023 - Elsevier
This work is devoted to the modeling of the mechanical behavior of coated or uncoated
silicon nanoparticles, which constitute the anode active material in some lithium ion …

Numerical modeling of seismic wave propagation in loosely deposited partially saturated sands: an application to a mine dump monitoring case

T Deng, O Hellwig, F Hlousek, D Kern, S Buske… - Environmental Earth …, 2023 - Springer
Extensive mine dumps consisting of loosely deposited sands have been created as a result
of open-pit lignite mining, with a risk of soil liquefaction under high water saturation and a …

Large-deformation geomechanical problems studied by a shear-transformation-zone model using the material point method

WL Li, N Guo, ZX Yang, T Helfer - Computers and Geotechnics, 2021 - Elsevier
A non-equilibrium statistical thermodynamics-based framework for describing elasto-
viscoplastic deformations in amorphous materials termed shear-transformation-zone (STZ) …

[HTML][HTML] Multifield finite strain plasticity: Theory and numerics

K Lewandowski, D Barbera, P Blackwell… - Computer Methods in …, 2023 - Elsevier
Motivated by the inability of classical computational plasticity to fully exploit modern scientific
computing, a multifield formulation for finite strain plasticity is presented. This avoids a local …

A model of failure and localization of basalt at temperature and pressure conditions spanning the brittle‐ductile transition

F Parisio, C Lehmann, T Nagel - Journal of Geophysical …, 2020 - Wiley Online Library
Natural phenomena such as seismicity, volcanism, and fluid circulation in volcanic areas are
influenced by the mechanical response of intact basalt. When subjected to a wide range of …

A multi-physics model for the evolution of grain microstructure

IT Tandogan, M Budnitzki, S Sandfeld - International Journal of Plasticity, 2024 - Elsevier
When a metal is loaded mechanically at elevated temperatures, its grain microstructure
evolves due to multiple physical mechanisms. Two of which are the curvature-driven …