Modal analysis of the piezoelectric generation of ultrasonic guided waves for nondestructive testing of cylindrical structures

This paper presents a method based on a modal analysis, which allows efficient quantitative determination of such characteristics of the surface load of an ultrasonic probe as the mode-selection selectivity, the frequency characteristic, and the transient characteristic. The use of this method is illustrated by simulation of generation of axially symmetric and antisymmetric ultrasonic waves in pipes with a piezoelectric array transducer.

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