A random neighbour model for yielding (Articolo in rivista)

Type
Label
  • A random neighbour model for yielding (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1742-5468/2010/03/P03011 (literal)
Alternative label
  • Dalton F. (1) ; Petri A. (1,2) ; Pontuale G. (1) (2010)
    A random neighbour model for yielding
    in Journal of statistical mechanics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Dalton F. (1) ; Petri A. (1,2) ; Pontuale G. (1) (literal)
Pagina inizio
  • P03011 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 2010 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • March. IOP Publishing. (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) Consiglio Nazionale delle Ricerche, Istituto dei Sistemi Complessi, via del Fosso del Cavaliere 100,00133 Roma,Italy, 2) Dipartimento di Fisica,Sapienza Università,Piazzale Aldo Moro 5, 00185 Roma,Italy (literal)
Titolo
  • A random neighbour model for yielding (literal)
Abstract
  • We introduce a model for yielding, inspired by fracture models and the failure of a sheared granular medium in which the applied shear is resisted by self-organized force chains. The force chains in the granular medium (GM) are considered as a bundle of elastic brittle fibres of finite failure strength. Upon the failure of any fibre, its load is randomly redistributed amongst the remaining fibres. The model provides an exponential distribution of the internal stress and a log-normal shaped distribution of global failure stress, in agreement with experimental observations. The model displays critical behaviour which approaches mean field as the number of random neighbours k becomes large and also displays a failure strength which remains finite in the limit of infinite size. From comparison with different models it is argued that this is an effect of non-correlation. All of these macroscopic properties appear statistically stable with respect to the choice of the chains' initial failure strength distribution. The model investigated is relevant for all systems in which some generic external load or pressure is borne by a number of units, independent of one another except when failure of a unit causes load transfer to some random choice of neighbouring units. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it