[PDF] Top 20 Numerical simulations of granular dynamics II: Particle dynamics in a shaken granular material
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Numerical simulations of granular dynamics II: Particle dynamics in a shaken granular material
... As a first test we showed that our numerical simulations cor- rectly reproduce the regions of crystallisation (grains) and regions of disorder (grain boundaries) found ...and ... Voir le document complet
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Numerical simulations of granular dynamics: I. Hard-sphere discrete element method and tests
... the dynamics of granular materials, along with a few basic tests that show its ability to address different problems involving these ...dynamics. A more complete validation by ... Voir le document complet
12
Effect of size polydispersity versus particle shape in dense granular media
... II. NUMERICAL PROCEDURES A. Numerical method The simulations were carried out by means of the contact dynamics (CD) method, which is suitable for simulating large ... Voir le document complet
13
Assessing continuum postulates in simulations of granular flow
... features of dense granular materials, which seem to defy a simple continuum ...networks of force chains, which are inhomogeneous down to the particle level (14; 15; 16; 17; 18; 19; 20; ... Voir le document complet
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Effect of the particle size and the liquid content on the shear behaviour of wet granular material
... an in- crease of the liquid fraction while it remains small at low normal stress ...observe a good agreement between the experimental and theoretical ...slope of the curves at high normal ... Voir le document complet
13
Numerical modeling of the tensile strength of a biological granular aggregate: Effect of the particle size distribution
... matrix material. For the selected variations of R a non-negligible, non-linear increase of the protein matrix volume fraction ρp from 13% ( R min = ...accordingly. In a cemented ... Voir le document complet
5
Integral representation of the linear Boltzmann operator for granular gas dynamics with applications
... state of the collision operator is a Maxwellian ...immersed in a fluid at thermal equilibrium [14, 16, ...particles of the host fluid. Such physical models are well-suited to the study ... Voir le document complet
21
Spatial repartition of local plastic processes in different creep regimes in a granular material
... – Granular packings are often seen as rigid below a limit corresponding to a critical ratio be- tween shear stress and normal stress (Coulomb threshold) ...existence of a clear-cut ... Voir le document complet
7
Discrete numerical analysis of failure modes in granular materials
... Discrete Numerical Analysis of Failure Modes in Granular Materials Abstract The question of failure for geomaterials, and more generally for non- associative materials, is revisited ... Voir le document complet
25
Experimental and numerical study of humid granular material : influence of liquid content in quasi-static regime
... applied. A theoretical model was used to estimate the tensile strength and to explain the mechanical resistance of the wet granular material depending on the capillary forces in ... Voir le document complet
145
Evolution of particle size distributions in crushable granular materials
... Numerical simulations by the molecular dynam- ics (MD) or discrete element method (DEM) have been increasingly employed in order to get a bet- ter understanding of the ... Voir le document complet
7
Inversion of force lines in fiber-reinforced jammed granular material
... Introduction Granular materials in the form of freestanding struc- tures in the absence of additional confinement can be realized through so-called designed granular matter [ 1 – ... Voir le document complet
7
3D simulations of the granulation of wet granular materials
... A. Nosrati, J. Addai-Mensah, D.J. Robinson. (2012), Drum agglomeration behavior of nickel laterite ore: Effect of process variables, Hydrometallurgy 125–126, 90 R. Aguado, S. Roudier, L. Delagado. ... Voir le document complet
3
Mechanical feedback between a growing root and a deformable granular medium: extracting physical laws from numerical simulations
... is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...institutions in France or abroad, or from public ... Voir le document complet
2
Acoustic probing of the particle concentration in turbulent granular suspensions in air
... consists of a plexiglass container with a width W = 15 cm and a length L = 2 cm ...1 a,b). The long walls of the container diverge at the top to allow the air velocity to ... Voir le document complet
13
Numerical modeling of the onset of immersed granular avalanches
... is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...institutions in France or abroad, or from public ... Voir le document complet
2
Scaling behavior of particle breakage in granular flows inside rotating drums
... studies of the grinding process in rotating drums have been performed by means of experimental measurements, numerical simulations, and mechanistic or stochastic ...impede a ... Voir le document complet
14
Apparent friction and cohesion of a partially Wet granular material in steady-state shear
... resistance of glass beads with wetting liquid incorporated (polyethylene glycol of molecular weight of 400 g/mol) is experimentally and theoretically investigated in a large range ... Voir le document complet
8
Application of inductive heating to granular media: temperature distribution in a granular bed.
... To cite this version : Duquenne, Philippe and Deltour, Alain and Lacoste, Germain Application of inductive heating to granular media: temperature distribution in a granular bed.. 1993 In[r] ... Voir le document complet
7
Numerical Modeling of a Granular Collapse Immersed in a Viscous Fluid
... column. In the presented simulations, the collapse dynamics is controlled by the viscous time T v ...knowledge, a numerical approach, ...phenomenon in flowing fluid-grains ... Voir le document complet
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