Quasi-universality in the packing of uniform spheres under gravity

被引：17

作者：

An, X. Z. ^{[1
,2
]}

Dong, K. J. ^{[1
,4
]}

Yang, R. Y. ^{[1
]}

Zou, R. P. ^{[1
,3
]}

Wang, C. C. ^{[1
,3
]}

Yu, A. B. ^{[1
,3
]}

机构：

[1] Univ New S Wales, Sch Mat Sci & Engn, Lab Simulat & Modelling Particulate Syst, Sydney, NSW 2052, Australia

[2] Northeastern Univ, Sch Met & Mat, Shenyang 110004, Peoples R China

[3] Monash Univ, Dept Chem Engn, Lab Simulat & Modelling Particulate Syst, Clayton, Vic 3800, Australia

[4] Univ Western Sydney, Inst Infrastruct Engn, Penrith, NSW 2751, Australia

来源：

GRANULAR MATTER | 2016年 / 18卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Packing of spheres; Packing fraction; Packing structure; Porous media; Granular materials; CRYSTALLIZATION; SIMULATION; FLOW;

D O I：

10.1007/s10035-016-0612-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A hypothesis that packing fraction alone can be used to characterize the structure of a sphere packing, known as the quasi-universality in the literature, is tested. The analysis, conducted in terms of coordination number, radial distribution function, and structural properties from the Voronoi/Delaunay tessellation, is based on the packing results generated under different conditions, covering a wide packing fraction range. The results showstrong similarities in these properties for a given packing fraction, indicating that although not generally valid, the quasi-universality approximately holds for the packing of spheres formed when the gravity is the driving force. The usefulness of this finding is also demonstrated through representative examples.

引用

页数：7

共 38 条

[1] Micromechanical simulation and analysis of one-dimensional vibratory sphere packing [J].

An, XZ ;

Yang, RY ;

Dong, KJ ;

Zou, RP ;

Yu, AB .

PHYSICAL REVIEW LETTERS, 2005, 95 (20)

[2] Structural and entropic insights into the nature of the random-close-packing limit [J].

Anikeenko, A. V. ;

Medvedev, N. N. ;

Aste, T. .

PHYSICAL REVIEW E, 2008, 77 (03)

[3] Emergence of Gamma distributions in granular materials and packing models [J].

Aste, T. ;

Di Matteo, T. .

PHYSICAL REVIEW E, 2008, 77 (02)

[4] Variations around disordered close packing [J].

Aste, T .

JOURNAL OF PHYSICS-CONDENSED MATTER, 2005, 17 (24) :S2361-S2390

[5] GEOMETRICAL APPROACH TO THE STRUCTURE OF LIQUIDS [J].

BERNAL, JD .

NATURE, 1959, 183 (4655) :141-147

[6]

Bideau D., 1993, DISORDER GRANULAR ME

[7] Compaction of granular mixtures: a free volume model [J].

Boutreux, T ;

deGennes, PG .

PHYSICA A, 1997, 244 (1-4) :59-67

[8] Evaluation of effective thermal conductivity from the structure of a packed bed [J].

Cheng, GJ ;

Yu, AB ;

Zulli, P .

CHEMICAL ENGINEERING SCIENCE, 1999, 54 (19) :4199-4209

[9] STRUCTURAL-CHANGES ACCOMPANYING DENSIFICATION OF RANDOM HARD-SPHERE PACKINGS [J].

CLARKE, AS ;

JONSSON, H .

PHYSICAL REVIEW E, 1993, 47 (06) :3975-3984

[10] Combining tomographic imaging and DEM simulations to investigate the structure of experimental sphere packings [J].

Delaney, Gary W. ;

Di Matteo, T. ;

Aste, Tomaso .

SOFT MATTER, 2010, 6 (13) :2992-3006

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