Single-particle crushing behaviour of carbonate sands studied by X-ray microtomography and a combined finite–discrete element method
This paper investigates the particle breakage behaviour of a carbonate sand based on
single-particle compression experiments with in situ X-ray microtomography scanning (μCT) …
single-particle compression experiments with in situ X-ray microtomography scanning (μCT) …
3D DEM insights into the effect of particle overall regularity on macro and micro mechanical behaviours of dense sands
Particle shape affects the mechanical properties of sands, but the underlying micro-
mechanisms are not yet explored, at least partially, due to difficulties in accessing the …
mechanisms are not yet explored, at least partially, due to difficulties in accessing the …
The micro-mechanical behaviour of sand–rubber mixtures under shear: A numerical study based on X-ray micro-tomography
A CT image-based discrete element model (DEM) incorporating the realistic particle
morphology of sand grains was developed to investigate the micro-mechanical behaviours …
morphology of sand grains was developed to investigate the micro-mechanical behaviours …
[HTML][HTML] The role of particle shape in the mechanical behavior of granular soils: A state-of-the-art review
Shape of soil grains has a major role in the characterization of its behavior. This important
feature has an appreciable impact on all mechanical properties of granular soils. In order to …
feature has an appreciable impact on all mechanical properties of granular soils. In order to …
Data-driven constitutive modelling of granular soils considering multiscale particle morphology
This paper adopts a micro-tomography (μCT)-based discrete element method (DEM)
technique to generate a database for the constitutive modelling of granular soils. A large …
technique to generate a database for the constitutive modelling of granular soils. A large …
Gene mutation of particle morphology through spherical harmonic-based principal component analysis
Many techniques are developed to reconstruct virtual particles of granular soils. However,
the generation of realistic virtual particles involving gene mutations of particle morphology …
the generation of realistic virtual particles involving gene mutations of particle morphology …
Effects of morphological gene decay and mutation on the micro–macro mechanical behaviours of granular soils
Particle morphology is multi-scale in nature. To investigate the effects of particle morphology
at a specific length scale on the macro–micro mechanical behaviours of granular soils …
at a specific length scale on the macro–micro mechanical behaviours of granular soils …
Deep transfer learning-aided constitutive modelling of granular soils considering out-of-range particle morphology
W Xiong, J Wang - Tunnelling and Underground Space Technology, 2024 - Elsevier
Based on a large discrete element method (DEM) simulation database, a novel data-driven
constitutive model of granular soils was established using the long short-term memory …
constitutive model of granular soils was established using the long short-term memory …
[HTML][HTML] Capability of discrete element method to investigate the macro-micro mechanical behaviours of granular soils considering different stress conditions and …
Discrete element method (DEM) has been widely utilised to model the mechanical
behaviours of granular materials. However, with simplified particle morphology or rheology …
behaviours of granular materials. However, with simplified particle morphology or rheology …
[HTML][HTML] Isotropic compression behavior of granular assembly with non-spherical particles by X-ray micro-computed tomography and discrete element modeling
The particle morphological properties, such as sphericity, concavity and convexity, of a
granular assembly significantly affect its macroscopic and microscopic compressive …
granular assembly significantly affect its macroscopic and microscopic compressive …