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[PDF] Top 20 Numerical study of crushable granular materials

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Numerical study of crushable granular materials

Numerical study of crushable granular materials

... position of the critical state line and the plastic work is investigated using experimental results on Cambria ...position of the critical state line in the e – log(p’) ...behavior of granular ... Voir le document complet

8

Rheophysics of granular materials with interstitial fluid : a numerical simulation study

Rheophysics of granular materials with interstitial fluid : a numerical simulation study

... Introduction Granular materials are assemblies of macroscopic solid particles, or grains, which interact at their contacts, such as sands, gravels, powders or ...lot of attention in many ... Voir le document complet

122

Evolution of particle size distributions in crushable granular materials

Evolution of particle size distributions in crushable granular materials

... understanding of the particle-scale mechanisms of the comminution process (Thornton, Yin, & Adams 1996, Moreno, Ghadiri, & Antony 2003, Liu, Ka- fui, & Thornton ...framework of the DEM, ... Voir le document complet

7

Experimental and numerical study of humid granular material : influence of liquid content in quasi-static regime

Experimental and numerical study of humid granular material : influence of liquid content in quasi-static regime

... behaviour of granular materials has long been characterised by shear cell ...understanding of complex phenomena, a microscopic analysis of the role of inter-particle forces, ... Voir le document complet

145

Recent development in kinetic theory of granular materials: analysis and numerical methods

Recent development in kinetic theory of granular materials: analysis and numerical methods

... complexity of the inelastic Boltzmann collision operator Q I (f, f) (a five- fold nonlinear integral operator), numerical simulation of granular gases is challenging and mostly done at the ... Voir le document complet

34

Experimental framework for evaluating the mechanical behavior of dry and wet crushable granular materials based on the particle breakage ratio

Experimental framework for evaluating the mechanical behavior of dry and wet crushable granular materials based on the particle breakage ratio

... compressibility of granular materials. For a particular crushable material and given test conditions, an empirical relation can be established between the breakage ratio and the plastic ... Voir le document complet

13

Numerical simulation of the compaction of crushable grains in 3D

Numerical simulation of the compaction of crushable grains in 3D

... Multi-Scale Materials Science for Energy and Environment <MSE> 2 , UMI 3466 CNRS-MIT Energy Initiative, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambrid02139, USA ...means ... Voir le document complet

5

Compaction of granular materials composed of deformable particles

Compaction of granular materials composed of deformable particles

... assemblies of particles ...aggregate of primary rigid parti- cles with appropriate long-range interactions such that the aggregate can undergo plastic deformations without rup- ture of the aggregate ... Voir le document complet

5

Numerical study of two-phase granular flow for process equipment

Numerical study of two-phase granular flow for process equipment

... flow of granular materials within a viscous fluid is a subject with many important applications in the chemical and process industries, food and beverage, materials refining, energy, and other ... Voir le document complet

14

Numerical and theoretical investigation of the surface flows of granular materials on heaps

Numerical and theoretical investigation of the surface flows of granular materials on heaps

... value of y w from the velocity profile they presented in [20] ...extrapolation of the slope at the inflexion point of the velocity ...width of 5, 10 and 20 times the particle size ...conditions ... Voir le document complet

9

Numerical study of the failure of materials embedding soft to hard particles

Numerical study of the failure of materials embedding soft to hard particles

... series of cemented granular samples. These samples are composed of a collection of disks introduced into a ...the granular phase, six samples were first prepared using a DEM code [21] ... Voir le document complet

5

Effect of compaction on the resilient behaviour of granular materials: an analytical study

Effect of compaction on the resilient behaviour of granular materials: an analytical study

... M r = σ d / ε r (1) This paper presents analytical simulations of the resilient modulus test using the discrete element method (DEM). This work aimed at delineating the effect of compaction on this modulus. ... Voir le document complet

5

Failure of materials embedding inclusions: a numerical study using a peridynamic approach

Failure of materials embedding inclusions: a numerical study using a peridynamic approach

... evolution of macroscopic mechanical properties of samples composed with spherical particles embedded in a ...heterogeneous materials has been extensively studied using various numerical ... Voir le document complet

2

Experimental and numerical investigation of diffuse instability in granular materials using a microstructural model under various loading paths

Experimental and numerical investigation of diffuse instability in granular materials using a microstructural model under various loading paths

... Summary of condition of instability for loose Hostun sand Instability conditions obtained by numerical simulations of undrained compression and constant-q tests are plotted in the p9–q plane ... Voir le document complet

15

Modeling Mechanical Behavior of Very Coarse Granular Materials

Modeling Mechanical Behavior of Very Coarse Granular Materials

... results of this study, one can suggest a procedure for modeling very coarse granular materials for which experimental behavior is not accessible because of the lack of adapted ... Voir le document complet

12

Effect of the characteristics of granular media on dynamic penetration test - Numerical study using 2D - DEM

Effect of the characteristics of granular media on dynamic penetration test - Numerical study using 2D - DEM

... Effect of particle friction Figure 4 shows, for each value of particle fiction coeffi- cient - μ, the load - penetration curve obtained for one ...magnitude of tip force F d is similar for μ equal to ... Voir le document complet

5

Numerical modeling of the onset of immersed granular avalanches

Numerical modeling of the onset of immersed granular avalanches

... analysis of the evolution of the granular texture during creep suggests that the pile expands for a nearly constant number of ...rotation of the mean contact direction, accompanied by ... Voir le document complet

2

Effects of Flooding on Crushable Sand

Effects of Flooding on Crushable Sand

... prediction of the final GSD could be possible based on calibration tests in only one stress ...function of grain crushing, as the pioneering work ... Voir le document complet

9

Numerical simulations of granular dynamics II: Particle dynamics in a shaken granular material

Numerical simulations of granular dynamics II: Particle dynamics in a shaken granular material

... surface of small bodies on which gravity is low enough that surface motion can be influenced over long distances by seis- mic wave ...result of the seismic shaking, the sur- face granular material can ... Voir le document complet

16

3D simulations of the granulation of wet granular materials

3D simulations of the granulation of wet granular materials

... and numerical granulation ...process of solid particles in a horizontal rotating drum, granular flow on the left and granule is formed and it grows with the number of rotations of ... Voir le document complet

3

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