FEA in elasticity of random structure composites reinforced by heterogeneities of non canonical shape (Articolo in rivista)

Type
Label
  • FEA in elasticity of random structure composites reinforced by heterogeneities of non canonical shape (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ijsolstr.2010.11.009 (literal)
Alternative label
  • Buryachenko, Valeriy A.; Brun, Michele (2011)
    FEA in elasticity of random structure composites reinforced by heterogeneities of non canonical shape
    in International journal of solids and structures
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Buryachenko, Valeriy A.; Brun, Michele (literal)
Pagina inizio
  • 719 (literal)
Pagina fine
  • 728 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 48 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IllinoisRocstar LLC; University of Cagliari; CNR IOM (literal)
Titolo
  • FEA in elasticity of random structure composites reinforced by heterogeneities of non canonical shape (literal)
Abstract
  • One considers linearly elastic composite media, which consist of a homogeneous matrix containing a statistically homogeneous random set of aligned homogeneous heterogeneities of non canonical shape. Effective elastic moduli as well as the first statistical moments of stresses in the phases are estimated. The explicit new representations of the effective moduli and stress concentration factors are expressed through some building block described by numerical solution for one heterogeneity inside the infinite medium subjected to homogeneous remote loading. The method uses as a background a new general integral equation proposed in Buryachenko (2010a,b), which incorporates influence of stress inhomogeneity inside the inclusion on the effective field and makes it possible to reconsider basic concepts of micromechanics such as effective field hypothesis, quasi-crystalline approximation, and the hypothesis of \"ellipsoidal symmetry\". The results of this reconsideration are quantitatively estimated for some modeled composite reinforced by aligned homogeneous heterogeneities of non canonical shape. Some new effects are detected that are impossible in the framework of a classical background of micromechanics. (C) 2010 Elsevier Ltd. All rights reserved. (literal)
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