Stoneley waves at the Wiechert condition

The interfacial Stoneley waves at the Wiechert condition imposed on physical properties of the adjacent isotropic and homogeneous halfspaces are analyzed. It is shown both theoretically and numerically that the speed of propagation of Stoneley waves along the Wiechert line is a monotonically decreas...

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Bibliographic Details
Published in:Zeitschrift für angewandte Mathematik und Physik 2020-08, Vol.71 (4), Article 114
Main Author: Kuznetsov, S. V.
Format: Article
Language:English
Subjects:
Engineering
Mathematical Methods in Physics
Nondestructive testing
Parameters
Physical properties
Poisson's ratio
Theoretical and Applied Mechanics
Wave propagation
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Summary:The interfacial Stoneley waves at the Wiechert condition imposed on physical properties of the adjacent isotropic and homogeneous halfspaces are analyzed. It is shown both theoretically and numerically that the speed of propagation of Stoneley waves along the Wiechert line is a monotonically decreasing function of the dimensionless Wiechert parameter. It is also found that such a monotonic behavior takes place at the nonnegative values of Poisson’s ratio. The observed monotonic behavior delivers the unique possibility for applying acoustic methods to nondestructive evaluation of physical parameters of media satisfying the Wiechert condition.
ISSN:0044-2275
1420-9039
DOI:10.1007/s00033-020-01342-4