Reflection, refraction, and transmission of SH waves at a micropolar layer separating two elastic media

The guided shear wave localisation is considered in the problem of reflection and refraction through bi–material stratified elastic reflector perfectly sandwiched between two elastic semi–spaces. Bi-material stratified reflector consists of finite number periodically arranged and perfectly bonded elastic sub-layers. A shear wave incident at the interface of layer from the first semi–space will give rise to a guided wave in reflector, a reflected shear wave in the same semi-space and a refracted shear wave in the second semi–space. It is shown that guided wave amplitude is localized at the neighbourhood of the layer interface adjacent to the incidence elastic semi-space and monotonously attenuates with increasing of cell number, if the frequencies of incident wave are in the stopband ranges.

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Localisation of guided wave in stratified elastic reflector sandwiched between two elastic semi-spaces

Ghazaryan

Papyan

et al. 2020

J. Phys.: Conf. Ser.

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Reflection, refraction, and transmission of SH waves at a micropolar layer separating two elastic media

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Localisation of guided wave in stratified elastic reflector sandwiched between two elastic semi-spaces

Localisation of guided wave in stratified elastic reflector sandwiched between two elastic semi-spaces

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