An approach previously suggested is applied to the problem of the propagation of a plane longitudinal wave in an elastic medium containing a periodic system of rectangular defects. Explicit analytical representations for the scattering coefficients as well as a refined low-frequency solution are derived using a uniform approximation of the single-mode type. A comparison of the results with solutions obtained by other methods is given.
The single-mode approximation for the propagation of a longitudinal wave through a periodic system of rectangular defects
SCARPETTA, Edoardo;
2003-01-01
Abstract
An approach previously suggested is applied to the problem of the propagation of a plane longitudinal wave in an elastic medium containing a periodic system of rectangular defects. Explicit analytical representations for the scattering coefficients as well as a refined low-frequency solution are derived using a uniform approximation of the single-mode type. A comparison of the results with solutions obtained by other methods is given.File in questo prodotto:
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