Non-local rheology in dense granular flows: Revisiting the concept of fluidity
The aim of this article is to discuss the concepts of non-local rheology and fluidity, recently
introduced to describe dense granular flows. We review and compare various approaches …
introduced to describe dense granular flows. We review and compare various approaches …
Well-posed continuum equations for granular flow with compressibility and μ(I)-rheology
T Barker, DG Schaeffer… - Proceedings of the …, 2017 - royalsocietypublishing.org
Continuum modelling of granular flow has been plagued with the issue of ill-posed dynamic
equations for a long time. Equations for incompressible, two-dimensional flow based on the …
equations for a long time. Equations for incompressible, two-dimensional flow based on the …
Constitutive relations for compressible granular flow in the inertial regime
DG Schaeffer, T Barker, D Tsuji, P Gremaud… - Journal of Fluid …, 2019 - cambridge.org
Granular flows occur in a wide range of situations of practical interest to industry, in our
natural environment and in our everyday lives. This paper focuses on granular flow in the so …
natural environment and in our everyday lives. This paper focuses on granular flow in the so …
Partial regularisation of the incompressible 𝜇 (I)-rheology for granular flow
In recent years considerable progress has been made in the continuum modelling of
granular flows, in particular the curve, which is inspired by the analysis of the governing …
granular flows, in particular the curve, which is inspired by the analysis of the governing …
Compressibility regularizes the 𝜇 (I)-rheology for dense granular flows
The. Moreover, we show that the ill-posed domain defined by Barker et al.(J. Fluid Mech.,
vol. 779, 2015, pp. 794–818) transforms into a domain where the flow is unstable but …
vol. 779, 2015, pp. 794–818) transforms into a domain where the flow is unstable but …
Phase diagram for inertial granular flows
E DeGiuli, JN McElwaine, M Wyart - Physical Review E, 2016 - APS
Flows of hard granular materials depend strongly on the interparticle friction coefficient μ p
and on the inertial number I, which characterizes proximity to the jamming transition where …
and on the inertial number I, which characterizes proximity to the jamming transition where …
Rheology of dense granular flows for elongated particles
We study the rheology of dense granular flows for frictionless spherocylinders by means of
3D numerical simulations. As in the case of spherical particles, the effective friction μ is an …
3D numerical simulations. As in the case of spherical particles, the effective friction μ is an …
[HTML][HTML] Macro and meso dynamic response of granular materials in ballastless track subgrade for high-speed railway
Considering the discrete and stochastic properties of granular materials, a two-dimensional
numerical model was established to study the dynamic behavior of high-speed railway …
numerical model was established to study the dynamic behavior of high-speed railway …
Transition from random packing to stable state in a continuously avalanching granular flow
R Han, Z Wang, Q Chen, H Yang, R Li - Advanced Powder Technology, 2022 - Elsevier
We investigate the transition evolution from the initial state with the random packing of the
particles to the stable state in which successive avalanches exhibit consistent characteristics …
particles to the stable state in which successive avalanches exhibit consistent characteristics …
Compaction and dilatancy of irregular particles avalanche flow in rotating drum operated in slumping regime
Q Chen, H Yang, R Li, WZ Xiu, R Han, QC Sun… - Powder Technology, 2020 - Elsevier
Considerable amount of experimental work has been performed to elucidate the behavior of
granular flow inside a rotating drum but yet it is not completely understood. Furthermore …
granular flow inside a rotating drum but yet it is not completely understood. Furthermore …