Simulated Wave Train (Chin et al.)
Figure 1. Synthetic data generated for a porous glass layer having porosity 28 percent.
For the meanings of the various labels see next file.
Laboratory Data (Plona)
Figure 2. Laboratory data on a porous glass disk having porosity of 28 percent.
Biot-Gassmann theory predicts very well the behavior of
acoustic signals propagating through a thin porous glass
disk immersed in water at high frequencies. But, agreement
is often not so good for naturally occurring materials such as
fractured rock.