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Orientational ordering in sheared inelastic dumbbells

Reddy, K Anki and Kumaran, V and Talbot, J (2009) Orientational ordering in sheared inelastic dumbbells. In: Physical Review E, 80 (3, Par).

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Abstract

Using even driven simulations, we show that homogeneously sheared inelastic dumbbells in two dimensions are randomly orientated in the limit of low density. As the packing fraction is increased, particles first tend to orient along the extensional axis, and then as the packing fraction is further increased, the alignment shifts closer to the flow axis. The orientational order parameter displays a continuous increase with packing fraction and does not appear to exhibit a universal scaling with elongation. Except at the highest packing fractions, the orientational distribution function can be reconstructed with only the first coefficient of the Fourier expansion.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Physical Society, 2009
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 20 Dec 2009 08:24
Last Modified: 19 Sep 2010 05:50
URI: http://eprints.iisc.ac.in/id/eprint/24517

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