Effect of disorder and notches on crack roughness (Articolo in rivista)

Type
Label
  • Effect of disorder and notches on crack roughness (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Nukala, PKVV; Zapperi, S; Alava, MJ; Simunovic, S (2007)
    Effect of disorder and notches on crack roughness
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Nukala, PKVV; Zapperi, S; Alava, MJ; Simunovic, S (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 76 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA; Univ Rome, CNR, INFM, Dipartimento Fis, I-00185 Rome, Italy; ISI Fdn, I-10133 Turin, Italy; Helsinki Univ Technol, Phys Lab, FIN-02015 Helsinki, Finland (literal)
Titolo
  • Effect of disorder and notches on crack roughness (literal)
Abstract
  • We analyze the effect of disorder and notches on crack roughness in two dimensions. Our simulation results based on large system sizes and extensive statistical sampling indicate that the crack surface exhibits a universal local roughness of zeta(loc)=0.71 and is independent of the initial notch size and disorder in breaking thresholds. The global roughness exponent scales as zeta=0.87 and is also independent of material disorder. Furthermore, we note that the statistical distribution of crack profile height fluctuations is also independent of material disorder and is described by a Gaussian distribution, albeit deviations are observed in the tails. (literal)
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