@article{b,
title = {Cooperative lenght approach for granular media},
author = {Emanuele Caglioti and Antonio Coniglio and Hans J. Hermann and Vittorio Loreto},
url = {http://www.sciencedirect.com/science/article/pii/S0378437198006608, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000079060800023&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a},
year = {1999},
date = {1999-01-01},
journal = {PHYSICA. A},
volume = {265},
pages = {311--318},
publisher = {Elsevier B.V.},
abstract = {We analyze the non-equilibrium relaxation properties of granular materials in the perspective of a cooperative length approach of Adam and Gibbs. The existence of complex geometrical interactions between the grains induces a rough landscape in the structure of the allowable phase space and in the configurational entropy. At their turn these effects induce the need of complex cooperative rearrangements which account for the very slow relaxation dynamics of these systems. On this basis we relate quantitatively the characteristic dynamical properties to quasistatic quantities, e.g. free-volume and configurational entropy.},
keywords = {caglioti, coniglio, granular_media, herrmann, loreto},
pubstate = {published},
tppubtype = {article}
}
We analyze the non-equilibrium relaxation properties of granular materials in the perspective of a cooperative length approach of Adam and Gibbs. The existence of complex geometrical interactions between the grains induces a rough landscape in the structure of the allowable phase space and in the configurational entropy. At their turn these effects induce the need of complex cooperative rearrangements which account for the very slow relaxation dynamics of these systems. On this basis we relate quantitatively the characteristic dynamical properties to quasistatic quantities, e.g. free-volume and configurational entropy.
@article{b,
title = {Segregation of granular mixtures in presence of compaction},
author = {Emanuele Caglioti and Antonio Coniglio and Hans J. Herrmann and Vittorio Loreto and Mario Nicodemi},
url = {http://iopscience.iop.org/0295-5075/43/5/591/, http://www.scopus.com/inward/record.url?eid=2-s2.0-0032164694&partnerID=65&md5=c108ca4627474930d839d71d325afc8b, http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=000075612400017&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a},
year = {1998},
date = {1998-01-01},
journal = {EUROPHYSICS LETTERS},
volume = {43},
pages = {591--597},
abstract = {We study the segregation phenomena in granular media in the framework of Tetris-like models for granular compaction. The models, which focus on the geometrical properties of mixtures, exhibit segregation, i.e. separation of particles with different degrees of geometrical frustration. This effect is related to the effective average mobilities of the different particles. Mie study these effects in the context of an analytical mean-field-like model.},
keywords = {caglioti, coniglio, granular_media, herrmann, loreto, nicodemi, tetris},
pubstate = {published},
tppubtype = {article}
}
We study the segregation phenomena in granular media in the framework of Tetris-like models for granular compaction. The models, which focus on the geometrical properties of mixtures, exhibit segregation, i.e. separation of particles with different degrees of geometrical frustration. This effect is related to the effective average mobilities of the different particles. Mie study these effects in the context of an analytical mean-field-like model.
