{
    "_comment":  "Spatial data for 2D model",
    "Initial permeabiliyt [mD]": {
	"On Omega_1": [1896, 1896, 1896],
	"On Omega_2": [100, 100, 100]
    },
    "Initial porosity [-]": {
	"On Omega_1": 0.8,
	"On Omega_2": 0.3
    },
    "Control volume dimension Delta x, y, z [m]": [10, 10, 10],
    "Number control volumes  Nx, Ny Nz[-]": [120,1, 48],
    "Diffusion coefficients [m^2/s]": 1e-9,
    "Gravity acceleration [m / s^2]": 9.8
}