Comparing simulation and experiment of a 2D granular Couette shear device

M. Lätzel, S. Luding*, H.J. Herrmann, D.W. Howell, R.P. Behringer

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

69 Citations (Scopus)


We present experiments along with molecular-dynamics (MD) simulations of a two-dimensional (2D) granular material in a Couette cell undergoing slow shearing. The grains are disks confined between an inner, rotating wheel and a fixed outer ring. The simulation results are compared to experimental studies and quantitative agreement is found. Tracking the positions and orientations of individual particles allows us to obtain density distributions, velocity and particle rotation rates for the system. The key issue of this paper is to show the extent to which quantitative agreement between an experiment and MD simulations is possible. Besides many differences in model details and the experiment, the qualitative features are nicely reproduced. We discuss the quantitative agreement/disagreement, give possible reasons, and outline further research perspectives.

Original languageEnglish
Pages (from-to)325-333
Number of pages9
JournalEuropean physical journal E. Soft Matter
Issue number4
Publication statusPublished - 1 Aug 2003
Externally publishedYes


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