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The Scattering of a Cylindrical Shear Axial Wave by a Circular Cavity in Piezoelectric Crystal

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Figure

Figure 1. Geometry of the problem. The concentric dashed circles represent fronts of a divergent shear-axial wave, emitted by a harmonic source O1
Figure 2. Low-frequency (the cylindrical (continuous curves) and plane (dashed cur- ves) shear-axial waves scattered by circular metallized cav- ity in piezoelectric ceramics PZT-4: a):   0.2) scattering indicatrixes for kd  0.2 ; b): kd  3
Figure 6. The spectra of total cross-section scattering of a cylindrical shear-axial wave by the nonmetallized cavity in piezoelectric ceramic PZT-4 at the values: kd  10, 15, 40 and 70

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