Morphology of two-dimensional fracture surfaces (Articolo in rivista)

Type
Label
  • Morphology of two-dimensional fracture surfaces (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Alava, MJ; Nukala, PKVV; Zapperi, S (2006)
    Morphology of two-dimensional fracture surfaces
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alava, MJ; Nukala, PKVV; Zapperi, S (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Helsinki Univ Technol, Phys Lab, HUT-02105 Helsinki, Finland; Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA; Univ Roma La Sapienza, CNR, INFM, SMC,Dipartimento Fis, I-00185 Rome, Italy (literal)
Titolo
  • Morphology of two-dimensional fracture surfaces (literal)
Abstract
  • We consider the morphology of two-dimensional cracks observed in experimental results obtained from paper samples and compare these results with the numerical simulations of the random fuse model (RFM). We demonstrate that the data obey multiscaling at small scales but cross over to self-affine scaling at larger scales. Next, we show that the roughness exponent of the random fuse model is recovered by a simpler model that produces a connected crack, while a directed crack yields a different result, close to a random walk. We discuss the multiscaling behaviour of all these models. (literal)
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