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Russian Journal of Nondestructive Testing
Erschienen in: Russian Journal of Nondestructive Testing 1/2020

01.01.2020 | ACOUSTIC METHODS

Dispersion Equation for Longitudinal Waves in a Layered Medium with Inhomogeneous Boundary Conditions in Different Propagation Directions

verfasst von: K. E. Abbakumov, A. V. Vagin

Erschienen in: Russian Journal of Nondestructive Testing | Ausgabe 1/2020

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Abstract

We study the propagation of longitudinal waves in a layered medium with inhomogeneous boundary conditions for two versions of wave propagation geometry—parallel and perpendicular to structure layers. The dispersion equations for a longitudinal wave are derived for the considered cases of propagation. The dispersion equations are solved for the wavenumber to determine dependences of effective longitudinal wave velocities on relative layer thickness and material parameters. The resulting dependences are used in the problems of determining the physical and mechanical characteristics of the medium based on acoustic measurements.
Vorheriger Artikel Nonсontact Spectral Express Method for Detecting Corrosion Damage to Metal Products
Nächster Artikel Calculating the Influence of Refractions and Reflections from Curvilinear Surfaces of Shells of Revolution on Acoustic Field

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Metadaten
Titel
Dispersion Equation for Longitudinal Waves in a Layered Medium with Inhomogeneous Boundary Conditions in Different Propagation Directions
verfasst von
K. E. Abbakumov
A. V. Vagin
Publikationsdatum
01.01.2020
Verlag
Pleiades Publishing
Erschienen in
Russian Journal of Nondestructive Testing / Ausgabe 1/2020
Print ISSN: 1061-8309
Elektronische ISSN: 1608-3385
DOI
https://doi.org/10.1134/S1061830920010027

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