A new micromechanical damage model for quasi-brittle geomaterials with non-associated and state-dependent friction law
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 …
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
Asphalt concrete is a composite heterogeneous material comprised of aggregates bonded
together by bitumen binder. The mechanical behaviour of this material shows great …
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
Establishing quantifiable links between individual-particle dynamics and macroscopic
response of granular materials has been a longstanding challenge, with implications in …
response of granular materials has been a longstanding challenge, with implications in …
DEM analysis on diffuse failure of soil slope triggered by earthquakes
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 …
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
Discrete element modeling (DEM) of polydisperse granular materials is significantly more
computationally expensive than modeling of monodisperse materials as a larger number of …
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) …
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
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 …
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
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 …
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
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 …
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 …
subsequent behaviour of sand, the dilatancy and peak and ultimate strength characteristics …