DEM simulation of experimental dense granular packing

Journal Article · Tue Jun 18 00:00:00 EDT 2013 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4811936· OSTI ID:22118622

Hanifpour, Maryam; Allaei, Mehdi Vaez ^[1]; Francois, Nicolas; Saadatfar, Mohammad ^[2]

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1. Department of Physics, University of Tehran, Tehran (Iran, Islamic Republic of)
2. Department of Applied Mathematics, Research School of Physics and Engineering, Australian National University, Canberra (Australia)

In this study we present numerical analysis performed on the experimental results of sphere packings of mono-sized hard sphere whose packing fraction spans across a wide range of 0.59<{Phi}<0.72. Using X-ray Computed Tomography (XCT), we have full access to the 3D structure of the granular packings. Numerical analysis performed on thr data provides the first experimental proofs of how densification affects local order parameters. Furthermore by combining Discrete Element Method (DEM) and the experimental results from XCT, we investigate how the intergranular forces change with the onset of crystallization.

• OSTI ID: 22118622
• Journal Information: AIP Conference Proceedings, Vol. 1542, Issue 1; Conference: 7. international conference on micromechanics of granular media, Sydney (Australia), 8-12 Jul 2013; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
COMPUTERIZED SIMULATION
CRYSTALLIZATION
DISCRETE ORDINATE METHOD
GRANULAR MATERIALS
NUMERICAL ANALYSIS
ORDER PARAMETERS
PHOTON COMPUTED TOMOGRAPHY
SPHERES
X RADIATION