Abstract
The paper is based on the authors’ report at ICU-2015 giving the idea of the semi-analytical integral equation approach to a physically clear simulation of wave phenomena in composite plate-like structures with local inhomogeneities. On this basis, a set of low-cost computer models for a reliable near- and far-field analysis had been developed and experimentally validated. Their abilities have been illustrated with examples of structural frequency response and radiation pattern diagrams for guided waves (GW) generated by piezoelectric wafer active sensors (PWAS); the reconstruction of effective elastic moduli of fiber-reinforced composites; the PWAS frequency tuning with accounting for the radiation directivity induced by anisotropy; and the effects of wave energy resonance transmission and trapping. Some of these examples have been already discussed in journal articles. Therefore, the present paper concentrates on the recent results of resonance GW interaction with deep surface notches and buried cavities.
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