Adaptive Double-Diffusion Model and Comparison to a Highly Heterogeneous Micro-Model
Periodic heterogeneous media. (a) : white, : grey, and : dark grey. (b) Zoom of one cell : : white, : grey, and : dark grey. (c) in grey with the internal and external boundaries , respectively. (d) Illustration of three regions as in Example 3.1, where is delimited by the white boundaries, and is the region between by the black and the white boundaries.