A new micromechanical damage model for quasi-brittle geomaterials with non-associated and state-dependent friction law

LY Zhao, ZM Lv, YM Lai, QZ Zhu, JF Shao - International Journal of …, 2023 - Elsevier
In this paper, we shall present a new micromechanical damage model for capturing the
mechanical behaviors of quasi-brittle geomaterials under a wide range of compressive …

A cohesive viscoelastic-elastoplastic-damage model for DEM and its applications to predict the rate-and time-dependent behaviour of asphalt concretes

NHT Nguyen, HH Bui - International Journal of Plasticity, 2022 - Elsevier
Asphalt concrete is a composite heterogeneous material comprised of aggregates bonded
together by bitumen binder. The mechanical behaviour of this material shows great …

Spatial clustering of microscopic dynamics governs the slip avalanche of sheared granular materials

J Mei, G Ma, L Tang, K Gao, W Cao, W Zhou - International Journal of …, 2023 - Elsevier
Establishing quantifiable links between individual-particle dynamics and macroscopic
response of granular materials has been a longstanding challenge, with implications in …

DEM analysis on diffuse failure of soil slope triggered by earthquakes

X **, X Li, Y Huang - Engineering Geology, 2024 - Elsevier
Earthquake-induced diffuse landslide can cause considerable harm. This study used
discrete element modeling (DEM) to investigate the diffuse failure of soil slopes triggered by …

DEM simulations of polydisperse media: efficient contact detection applied to investigate the quasi-static limit

T Shire, KJ Hanley, K Stratford - Computational Particle Mechanics, 2021 - Springer
Discrete element modeling (DEM) of polydisperse granular materials is significantly more
computationally expensive than modeling of monodisperse materials as a larger number of …

An extended MK model under surface traction with adjustable gradient distribution

L Ma, L Zheng, Z Wang - International Journal of Plasticity, 2023 - Elsevier
The forming limit of sheets usually corresponds to the strain accumulation before localized
necking and is closely related to the loading state. In the viscous pressure forming (VPF) …

[HTML][HTML] Capturing the transition from diffuse to localised failure in constitutive modelling of partially saturated soils

DG Phan, GD Nguyen, HH Bui, T Bennett - International Journal of …, 2023 - Elsevier
Localised failures in the form of shear band induce localised deformation and saturation
within partially saturated soils. Inelastic responses mainly take place inside the shear band …

Effects of seepage flow on liquefaction resistance of uniform sand and gap-graded soil under undrained cyclic torsional shear

S Chitravel, M Otsubo, R Kuwano - Soils and Foundations, 2023 - Elsevier
Internal erosion is the transportation of soil particles from within or beneath geotechnical
structures, caused by seepage flow, that impacts the subsequent mechanical and hydraulic …

Stabilizing role of coarse grains in cohesionless overfilled binary mixtures: A DEM investigation

T Wang, A Wautier, J Zhu, F Nicot - Computers and Geotechnics, 2023 - Elsevier
Cohesionless binary mixtures are commonly encountered in nature and frequently used as
filling materials in geotechnical engineering. It is known that coarse grains have a …

Strength and dilatancy of sand before and after stabilisation with colloidal-silica gel

PK Triantafyllos, VN Georgiannou… - …, 2022 - icevirtuallibrary.com
To evaluate the effect of stabilisation by using a colloidal silica aqueous gel on the
subsequent behaviour of sand, the dilatancy and peak and ultimate strength characteristics …