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Thermal shakedown in granular materials with irregular particle shapes [PDF]
Scientific ReportsGranular materials with irregular particle shapes undergo a myriad of temperature variations in natural and engineered systems. However, the impacts of cyclic temperature variations on the mechanics of granular materials remain poorly understood ...
Yize Pan +2 more
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Dynamic compaction of granular materials. [PDF]
Proc Math Phys Eng Sci, 2013 An Eulerian hyperbolic multiphase flow model for dynamic and irreversible compaction of granular materials is constructed. The reversible model is first constructed on the basis of the classical Hertz theory. The irreversible model is then derived in accordance with the following two basic principles.
Favrie N, Gavrilyuk S.
europepmc +5 more sources
Liquid migration in flowing granular materials [PDF]
EPJ Web of Conferences, 2021 In partially wet granular beds, liquid migrates between particles due to collisions and contacts. This, in turn, influences the flow behaviour of the granular bed.
Hagen Thijmen +4 more
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Mesoscale inertial transition in granular materials [PDF]
EPJ Web of Conferences, 2021 Granular assemblies can experience complex failure patterns along a given loading path, with a distribution of ephemeral inertial events marked by local outbursts in kinetic energy.
Clerc Adriane +3 more
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Cohesion-controlled granular material [PDF]
Physical Review E, 2020 We present a simple method to prepare a granular material with a controlled cohesion between particles. The granular material is made of spherical glass beads coated with a polyborosiloxane polymer. This material is proved to be stable in time and nonsensitive to temperature and humidity.
Gans, Adrien +2 more
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Flow in an hourglass: particle friction and stiffness matter
New Journal of Physics, 2021 Granular flow out of a silo is studied experimentally and numerically. The time evolution of the discharge rate as well as the normal force (apparent weight) at the bottom of the container is monitored. We show that particle stiffness has a strong effect
Tivadar Pongó +7 more
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Ratcheting of Granular Materials [PDF]
Physical Review Letters, 2004 We investigate the quasi-static mechanical response of soils under cyclic loading using a discrete model of randomly generated convex polygons. This response exhibits a sequence of regimes, each one characterized by a linear accumulation of plastic deformation with the number of cycles.
Alonso-Marroquin, F, Herrmann, HJ
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The role of the particle aspect ratio in the discharge of a narrow silo
New Journal of Physics, 2022 The time evolution of silo discharge is investigated for different granular materials made of spherical or elongated grains in laboratory experiments and with discrete element model (DEM) calculations.
Tivadar Pongó +6 more
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Advances in Physics, 2006 review article, accepted for publication in Advances in Physics; tex-style ...
Mitarai, Namiko, Nori, Franco
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Scientific Reports, 2023 This study investigated the influence of stress levels on the mechanical behavior and particle crushing of irregular granular materials. Granular materials with irregular sides were modelled using the discrete element method.
Qinglin Chen +5 more
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