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Shearing behavior of polydisperse media | Martin Wackenhut
; Sean McNamara
; Hans Herrmann
; | Date: |
29 Jul 2004 | Subject: | Soft Condensed Matter | cond-mat.soft | Abstract: | We study the shearing of polydisperse and bidisperse media with a size ratio of 10. Simulations are performed with a the two dimensional shear cell using contact dynamics. With a truncated power law for the polydisperse media we find that they show a stronger dilatancy and greater resistance to shearing than bidisperse mixtures. Motivated by the practical problem of reducing the energy needed to shear granular media, we introduce "point-like particles" representing charged particles in the distribution. Even though changing the kinematic behavior very little, they reduce the force necessary to maintain a fixed shearing velocity. | Source: | arXiv, cond-mat/0407755 | Services: | Forum | Review | PDF | Favorites |
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