In an important new class of signal-processing devices using elastic surface waves, the reflection of a Rayleigh wave from grooves is a key feature. In the present paper, a boundary-perturbation technique is employed to determine the reflection of a Rayleigh wave from either a shallow groove or a low step in the surface of an isotropic elastic half-space. Comparison with available experimental data for the case of the rectangular groove and step yields excellent agreement.
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Tuan et al. (1974) studied this question.