Interaction of Ultrasonic Waves with Layered Media
A unified theoretical treatment is presented for the interaction of ultrasonic waves with multilayered media. The wave is supposed to be incident from water, at an arbitrary angle, upon a plate consisting of an arbitrary number of different material layers. The composite plate is supported from the bottom by a solid half-space. It is assumed that all solid interfaces are rigidly bonded. Reflection and transmission coefficients are derived for the total system. By examining the behavior of the reflection coefficient, all of the propagating modes are identified. Numerical results are given in order to delineate the influence of the plate material orderings on the propagation process.
KeywordsSurface Wave Reflection Coefficient Rayleigh Wave Ultrasonic Wave Steel Substrate
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