Browsing by Subject "Longitudinal acoustic waves"

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    Wave propagation and acoustic band gaps of two-dimensional liquid crystal/solid phononic crystals
    (Springer Verlag, 2017) Oltulu, O.; Mamedov, A. M.; Özbay, Ekmel
    The vast majority of acoustic wave propagation in phononic band studies has been usually carried out by scattering inclusions embedded in a viscoelastic medium, such as air or water. In this study, we present calculated band structure results for the two-dimensional square array geometry of a solid cylindrical scatterer surrounded by a liquid crystal (LC) matrix. Liquid crystals provide a unique combination of liquid-like and crystal-like properties as well as anisotropic properties. The purpose of using LC material is to take advantage of longitudinal acoustic waves propagating parallel (