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PROPAGATION OF A HARMONIC WAVE IN A PLATE WITH SYMMETRIC STRUCTURE

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CC BY-NC 4.0 This work is licensed under Creative Commons Attribution–NonCommercial International License (CC BY-NC 4.0).

Abstract

In this paper a three-layer plate with symmetrical structure to solve the prob-lem of determining the properties of the middle layer, which can propagate the harmonic wave in three-layer plate with phase speed equal to the phase speed of a single-layer plate.

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