Jamming phenomena of a two-dimensional frictional granular system under isotropic confining

Zhang Guo-Hua; Sun Qi-Cheng; Huang Fang-Fang; Jin Feng

doi:10.7498/aps.60.124502

Abstract

In this paper, the jamming/unjamming processes of the system composed of 5000 elastic disks with small friction =110-4 are simulated by using the molecular dynamics method. The variations of sidewall pressure P and the height of the first peak of the pair correlation function, g1, with packing fraction are studied. The result shows that the P() curve exhibits an obvious stick-slip-like behavior. The normal force-force correlation function, the tangential force-force correlation function, and the position-position correlation function are found to jump simultaneously during the stick-slip process. By relaxing jammed states obtained as the system undergoes the compression process, we observe that the P is related to -c by the power scaling law P(-c)0.964, although the different sidewall pressures corresponds to different values of c.

Keywords:

Authors and contacts

1.
Department of Physics, University of Science and Technology Beijing, Beijing 100083, China;
2.
State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China

References

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[26]	Torquato S, Stillinger F H 2010 Rev. Mod. Phys. 82 2633
[27]

Cited By

[1]	Liu A J, Nagel S R 1998 Nature 396 21
[2]
[3]	Trappe V, Prasad V, Cipelletti L, Segr P N, Weitz D A 2001 Nature 411 772
[4]
[5]	OHern C S, Silbert L E, Liu A J, Nagel S R 2003 Phys. Rev. E 68 011306
[6]
[7]	Drocco J A, Hastings M B, Olson Reichhardt C J, Reichhardt C 2005 Phys. Rev. Lett. 95 088001
[8]
[9]	Otsuki M, Hayakawa H 2009 Phys. Rev. E 80 011308
[10]
[11]	Brujic J, Song C, Wang P, Briscoe C, Marty G, Makse H A 2007 Phys. Rev. Lett. 98 248001
[12]	OHern C S, Langer S A, Liu A J, Nagel S R 2002 Phys. Rev. Lett. 88 075507
[13]
[14]	Zhang Z, Xu N, Chen D T N, Yunker P, Alsayed A M, Aptowicz K B, Habdas P, Liu A J, Nagel S R, Yodh A G 2009 Nature 459 230
[15]
[16]
[17]	Cheng X 2010 Phys. Rev. E 81 031301
[18]	Pica Ciamarra M, Lippiello E, Godano C, de Arcangelis L 2010 Phys. Rev. Lett. 104 238001
[19]
[20]	Fierro A, Nicodemi M, Tarzia M, de Candia A, Coniglio A 2005 Phys. Rev. E 71 061305
[21]
[22]
[23]	Henkes S, Chakraborty B 2009 Phys. Rev. E 79 061301
[24]
[25]	Parisi G, Zamponi F 2010 Rev. Mod. Phys. 82 789
[26]	Torquato S, Stillinger F H 2010 Rev. Mod. Phys. 82 2633
[27]

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