The Mode Method in the Theory of Acoustic Wave Diffraction on Division Boundaries Between Different Structures

Abstract

Problems connected with propagation of acoustic waves (AW) in inhomogeneous structures have been intensively investigated [1]. Of special interest are problems of surface acoustic waves (SAW) propagation in structures inhomogeneous along SAW propagation direction. Such problems arise for example in structures with inhomogeneous surface or in structures consisting of different materials with gradual or abrupt transition between them (see Figure 1).