Plane Acoustic Wave Propagation through a Composite of Elastic and Kelvin-Voigt Viscoelastic Material Layersстатья
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Дата последнего поиска статьи во внешних источниках: 17 января 2018 г.
Аннотация:The problem of plane wave propagation through a plane composite layer of thickness h is considered. The composite consists of periodically repeated elastic and Kelvin-Voigt viscoelastic material layers, and all layers are either parallel or perpendicular to the incident wave front. Moreover, it is assumed that the thickness of each separate layer of the composite is much less than the acoustic wave length and the thickness h of the entire composite. We study the problem by using a homogenized model of the composite, which allows us to find the reflection and transmission factors and the variation in the sound intensity level as it propagates though the composite layer of thickness h.