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Analytical beam field modeling applied to transducer optimization and inspection simulation in ultrasonic non-destructive testing

: Spies, M.

Journal of the Korean Society for Nondestructive Testing 23 (2003), Nr.6, S.635-644
Fraunhofer IZFP ()
anisotropy; inspection; modeling; transducer; ultrasonic

To ensure the reliability of ultrasonic nondestructuve testing techniques for modern structural materials, the effects of anisotropy and inhomogeneity and the influence of non-planar component geometries on ultrasonic wave propagation have to be taken into account. In this article, fundamentals and applications of two analytical approaches to three-dimensional elastic beam field calculation are presented. Results for both isotropic materials including curved interfaces and for anisotropic media like composites are presented, covering field profiles for various types of transducers and the modeling of time-dependent rf-signals.