Fracture in Three-Dimensional Fuse Networks

Details Fracture in Three-Dimensional Fuse Networks Fracture in Three-Dimensional Fuse Networks

1997-07-21

arxiv.org/abs/cond-mat/9707212v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, RevTeX, 5 figures, Postscript

Scientific paper

10.1103/PhysRevLett.80.325

We report on large scale numerical simulations of fracture surfaces using random fuse networks for two very different disorders. There are some properties and exponents that are different for the two distributions, but others, notably the roughness exponents, seem universal. For the universal roughness exponent we found a value of zeta = 0.62 +/- 0.05. In contrast to what is observed in two dimensions, this value is lower than that reported in experimental studies of brittle fractures, and rules out the minimal energy surface exponent, 0.41 +/- 0.01.

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