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Critical scaling of shearing rheology at the jamming transition of soft-core frictionless disks.
MedLine Citation:
PMID:  21517441     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We perform numerical simulations to determine the shear stress and pressure of steady-state shear flow in a soft-disk model in two dimensions at zero temperature in the vicinity of the jamming transition ϕ_{J}. We use critical point scaling analyses to determine the critical behavior at jamming, and we find that it is crucial to include corrections to scaling for a reliable analysis. We find that the relative size of these corrections are much smaller for pressure than for shear stress. We furthermore find a superlinear behavior for pressure and shear stress above ϕ_{J}, both from the scaling analysis and from a direct analysis of pressure data extrapolated to the limit of vanishing shear rate.
Authors:
Peter Olsson; S Teitel
Publication Detail:
Type:  Journal Article     Date:  2011-03-17
Journal Detail:
Title:  Physical review. E, Statistical, nonlinear, and soft matter physics     Volume:  83     ISSN:  1550-2376     ISO Abbreviation:  Phys Rev E Stat Nonlin Soft Matter Phys     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-04-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  030302     Citation Subset:  IM    
Affiliation:
Department of Physics, Umeå University, S-901 87 Umeå, Sweden.
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