Fracture in three-dimensional fuse networks

被引：81

作者：

Batrouni, GG

Hansen, A

机构：

[1] Univ Nice, Inst Nonlineaire Nice, F-06560 Valbonne, France

[2] Forschungszentrum Julich, Hochtleistungsrechenzentrum, D-52425 Julich, Germany

[3] Norges Tekn Nat Vitenskapelige Univ, Inst Fys, N-7034 Trondheim, Norway

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.80.325

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：325 / 328

页数：4

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