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Dilatancy in slow granular flows

Kabla, Alexandre J; Senden, Timothy


When walking on wet sand, each footstep leaves behind a temporarily dry impression. This counterintuitive observation is the most common illustration of the Reynolds principle of dilatancy: that is, a granular packing tends to expand as it is deformed, therefore increasing the amount of porous space. Although widely called upon in areas such as soil mechanics and geotechnics, a deeper understanding of this principle is constrained by the lack of analytical tools to study this behavior....[Show more]

CollectionsANU Research Publications
Date published: 2009-06-03
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.102.228301


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