Yu.P.Bai, V.I.Storozhev, V.A.Shpak
Shortwave asymptotic properties of the normal waves in the two-layered crystallic plates

Acoustic bulletin, Vol. 4 ¹ 2, (2001) p.3-10
The qualitative and numerical investigation of regularities of localization in high-frequency short-wave band for normal elastic waves with different propagation directions in plane of the bilayer waveguide of two orthorhombic monocrystals with collinear axes of symmetry is carried out. The results of illustrative computation of kinematic and power characteristics of localized waves are given for the waveguide, in which the four localization types are provided. It is shown, that for diverse normal waves propagation directions in the two-layered crystalline plate of orthorombic system with collinear elasto-equivalent directions of forming layers a wide spectrum of localization mechanisms in the high-frequency short-wave range can take place.
KEY WORDS:
orthorhombic monocrystals, normal modes, types of localization
TEXT LANGUAGE: Russian