dc.contributor.author | Desmond, Kenneth | |
dc.contributor.author | Franklin, Scott | |
dc.date.accessioned | 2008-10-20T18:56:57Z | |
dc.date.available | 2008-10-20T18:56:57Z | |
dc.date.issued | 2006-03-23 | |
dc.identifier.citation | PRL E 73 (2006) 5 pages | en_US |
dc.identifier.uri | http://hdl.handle.net/1850/7235 | |
dc.description | RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/ | |
dc.description.abstract | We have found that the ability of long thin rods to jam into a solid-like state in response to a local
perturbation depends upon both the particle aspect ratio and the container size. The dynamic phase
diagram in this parameter space reveals a broad transition region separating granular stick-slip and
solid-like behavior. In this transition region the pile displays both solid and stick-slip behavior. We
measure the force on a small object pulled through the pile, and find the fluctuation spectra to have
power law tails with an exponent characteristic of the region. The exponent varies from = −2
in the stick-slip region to = −1 in the solid region. These values reflect the different origins —
granular rearrangements vs. dry friction — of the fluctuations. Finally, the packing fraction shows
only a slight dependence on container size, but depends on aspect ratio in a manner predicted by a
mean field theory and implies an aspect-ratio independent contact number of hci = 5.25 ± 0.03. | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | Physical Review Letters | en_US |
dc.relation.ispartofseries | vol. 73 | en_US |
dc.relation.ispartofseries | 5 pgs. | en_US |
dc.title | Jamming of 3D prolate granular materials | en_US |
dc.type | Article | en_US |
dc.identifier.url | http://dx.doi.org/10.1103/PhysRevE.73.031306 | |