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

Figure 12

Fields for a staggered-array unit cell of : (a, d) solution to the homogenization problem, (b, e) concentration field transformed from (assuming concentration gradient across unit cell is one), and (c, f) magnitude of concentration gradient (diffusion speed) and direction.

(a)

(b)

(c) Diffusion speed and direction

(d)

(e)

(f) Diffusion speed and direction