Research Article

Computing and Comparing Effective Properties for Flow and Transport in Computer-Generated Porous Media

Figure 16

Anisotropic ratios in geometries comprised of randomly distributed squares: (a) rotation to obtain diagonal tensors ( and ) is independent of porosity; (b) anisotropic ratios of diagonal tensors and anisotropic ratio of hydraulic tortuosity. At lower porosities (), anisotropic properties have been induced.
(a) Rotation angle,
(b) Anisotropic ratios