Effect of Disorder and Notches on Crack Roughness

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Effect of Disorder and Notches on Crack Roughness. / Nukala, P.K.V.V.; Zapperi, S.; Alava, M.J.; Simunovic, S.

In: Physical Review E, Vol. 76, No. 5, 056111, 2007, p. 1-6.

Research output: Contribution to journalArticle

Harvard

Nukala, PKVV, Zapperi, S, Alava, MJ & Simunovic, S 2007, 'Effect of Disorder and Notches on Crack Roughness', Physical Review E, vol. 76, no. 5, 056111, pp. 1-6. https://doi.org/10.1103/PhysRevE.76.056111

APA

Nukala, P. K. V. V., Zapperi, S., Alava, M. J., & Simunovic, S. (2007). Effect of Disorder and Notches on Crack Roughness. Physical Review E, 76(5), 1-6. [056111]. https://doi.org/10.1103/PhysRevE.76.056111

Vancouver

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Nukala, P.K.V.V. ; Zapperi, S. ; Alava, M.J. ; Simunovic, S. / Effect of Disorder and Notches on Crack Roughness. In: Physical Review E. 2007 ; Vol. 76, No. 5. pp. 1-6.

Bibtex - Download

@article{32140796cd8643cb9ce2f91227f2f726,
title = "Effect of Disorder and Notches on Crack Roughness",
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 ζloc=0.71 and is independent of the initial notch size and disorder in breaking thresholds. The global roughness exponent scales as ζ=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.",
author = "P.K.V.V. Nukala and S. Zapperi and M.J. Alava and S. Simunovic",
year = "2007",
doi = "10.1103/PhysRevE.76.056111",
language = "English",
volume = "76",
pages = "1--6",
journal = "Physical Review E",
issn = "2470-0045",
publisher = "American Physical Society",
number = "5",

}

RIS - Download

TY - JOUR

T1 - Effect of Disorder and Notches on Crack Roughness

AU - Nukala, P.K.V.V.

AU - Zapperi, S.

AU - Alava, M.J.

AU - Simunovic, S.

PY - 2007

Y1 - 2007

N2 - 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 ζloc=0.71 and is independent of the initial notch size and disorder in breaking thresholds. The global roughness exponent scales as ζ=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.

AB - 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 ζloc=0.71 and is independent of the initial notch size and disorder in breaking thresholds. The global roughness exponent scales as ζ=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.

U2 - 10.1103/PhysRevE.76.056111

DO - 10.1103/PhysRevE.76.056111

M3 - Article

VL - 76

SP - 1

EP - 6

JO - Physical Review E

JF - Physical Review E

SN - 2470-0045

IS - 5

M1 - 056111

ER -

ID: 3597881