Two-Parameter Inversion of Fluid-Saturated Porous Medium with Niche Ant Colony Algorithm

Table 2

The double parameters inversion results based on the Biot model.

Parameter	True value	Inversion value	Absolute error	Relative error (%)
Porosity	0.333000	0.332376	0.000624	0.187387
Permeability	0.004883	0.004526	0.000357	7.311079