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Swirling granular solidlike clusters

DOI zum Zitieren dieses Dokuments: https://doi.org/10.1103/PhysRevE.61.4069
URN to cite this document: urn:nbn:de:bvb:703-epub-4039-3

Title data

Scherer, Michael A. ; Kötter, Karsten ; Markus, Mario ; Goles, Eric ; Rehberg, Ingo:
Swirling granular solidlike clusters.
In: Physical Review E. Vol. 61 (April 2000) Issue 4 . - pp. 4069-4077.
ISSN 1550-2376
DOI: https://doi.org/10.1103/PhysRevE.61.4069

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Abstract

Experiments and three-dimensional numerical simulations are presented to elucidate the dynamics of granular material in a cylindrical dish driven by a horizontal, periodic motion. The following phenomena are obtained both in the experiments and in the simulations: First, for large particle numbers N the particles describe hypocycloidal trajectories. In this state the particles are embedded in a solidlike cluster ("pancake") which counter-rotates with respect to the external driving (reptation). Self-organization within the cluster occurs such that the probability distribution of the particles consists of concentric rings. Second, the system undergoes phase transitions. These can be identified by changes of the quantity dE(kin)/dN (E(kin) is the mean kinetic energy) between zero (rotation), positive (reptation), and negative values (appearance of the totality of concentric rings).

Further data

Item Type: Article in a journal
Keywords: Porous materials, granular materials; Phase transitions and critical phenomena; Particle dynamics.
DDC Subjects: 500 Science > 530 Physics
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg
Profile Fields > Advanced Fields > Nonlinear Dynamics
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V
Profile Fields
Profile Fields > Advanced Fields
Language: English
Originates at UBT: No
URN: urn:nbn:de:bvb:703-epub-4039-3
Date Deposited: 19 Feb 2019 09:57
Last Modified: 19 Feb 2019 09:57
URI: https://epub.uni-bayreuth.de/id/eprint/4039

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