DEM Simulation of Experimental Dense Granular Packing

被引:0
|
作者
Hanifpour, Maryam [1 ]
Francois, Nicolas [2 ]
Allaei, Mehdi Vaez [1 ]
Saadatfar, Mohammad [2 ]
机构
[1] Univ Tehran, Dept Phys, Tehran, Iran
[2] Australian Natl Univ, Res Sch Phys & Engn, Dept Math Appl, Canberra, ACT, Australia
来源
POWDERS AND GRAINS 2013 | 2013年 / 1542卷
关键词
Sphere packing; Granular materials; Order parameters; Force Chains; RANDOM CLOSE PACKING; HARD-SPHERES; TRANSITION;
D O I
10.1063/1.4811936
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
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 inter-granular forces change with the onset of crystallization.
引用
收藏
页码:337 / 340
页数:4
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