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Experimental Analysis Reveals Differences in Elastic Wave Dynamics in Granulated Media with Viscous Fluids.
Elastic and absorption characteristics of consolidated granulated media saturated with viscous fluid have been investigated experimentally in a wide range of viscosity. The low-frequency measurements have been carried out by profile technique on artificial models of rather great dimensions. Comparison has been made in a low-frequency approximation of the Frenkel–Biot (FB) theory. It has been shown that although the kinematics of elastic waves is satisfactorily described in terms of this approximation the dynamics is radically different. The Stoll modification does not explain these differences.
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Zaikin et al. (1991) studied this question.
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