DEM simulation of experimental dense granular packing | Zendy

Maryam Hanifpour | Zendy; Nicolas François | Zendy; S. Mehdi Vaez Allaei | Zendy; Mohammad Saadatfar | Zendy

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DEM simulation of experimental dense granular packing

Author(s) -

Maryam Hanifpour,

Nicolas François,

S. Mehdi Vaez Allaei,

Mohammad Saadatfar

Publication year - 2013

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4811936

Subject(s) - discrete element method , atomic packing factor , materials science , crystallization , granular material , computed tomography , sphere packing , range (aeronautics) , experimental data , mathematical proof , mechanics , statistical physics , geometry , physics , mathematics , composite material , thermodynamics , nuclear magnetic resonance , statistics , medicine , radiology

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<Φ<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.

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