Percolation in two-scale porous media

被引：0

作者：

V.V. Mourzenko

J.-F. Thovert

P.M. Adler

机构：

[1] LCD-PTM,

[2] SP2MI,undefined

[3] BP 179,undefined

[4] 86960 Futuroscope Cedex,undefined

[5] France,undefined

[6] IPGP,undefined

[7] tour 24,undefined

[8] 4 Place Jussieu,undefined

[9] 75252 Paris Cedex 05,undefined

[10] France,undefined

[11] EPFL,undefined

[12] 1015 Lausanne,undefined

[13] Switzerland,undefined

来源：

The European Physical Journal B - Condensed Matter and Complex Systems | 2001年 / 19卷

关键词：

PACS. 61.43.Gt Powders, porous materials – 61.43.Hv Fractals; macroscopic aggregates (including diffusion-limited aggregates) – 64.60.Ak Renormalization-group, fractal, and percolation studies of phase transitions;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Two-scale porous media are generated by filtering a Gaussian random correlated field with a random correlated threshold field. The percolation threshold and the critical exponent ν are derived with the help of a finite-size scaling method. The percolation threshold for the three-dimensional media is a decreasing function of the variance and correlation length of the threshold field. A simplified model predicts these trends in 3d; moreover, it suggested some effects in 2d which were all numerically verified.

引用

页码：75 / 85

页数：10

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