Ratcheting of granular materials

Alonso-Marroquin, F and Herrmann, HJ (2004) Ratcheting of granular materials. Physical Review Letters, 92 5: . doi:10.1103/PhysRevLett.92.054301

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Author Alonso-Marroquin, F
Herrmann, HJ
Title Ratcheting of granular materials
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2004
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.92.054301
Open Access Status File (Publisher version)
Volume 92
Issue 5
Total pages 4
Place of publication College Pk
Publisher American Physical Soc
Language eng
Abstract We investigate the quasistatic mechanical response of soils under cyclic loading using a discrete model of randomly generated convex polygons. This response exhibits a sequence of regimes, each one characterized by a linear accumulation of plastic deformation with the number of cycles. At the grain level, a quasiperiodic ratchetlike behavior is observed at the contacts, which excludes the existence of an elastic regime. The study of this slow dynamics allows exploration of the role of friction in the permanent deformation of unbound granular materials subjected to cyclic loading.
Keyword Physics, Multidisciplinary
Motors
Solids
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
Earth Systems Science Computational Centre Publications
 
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Created: Wed, 17 Oct 2007, 12:37:00 EST