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A general-purpose computer model for calculating elastic waveguide properties, with application to non-destructive testing. (English) Zbl 1181.74067

Goldstein, Robert V. (ed.) et al., Surface waves in anisotropic and laminated bodies and defects detection.; Proceedings of the NATO advanced research workshop, Moscow, Russia, February 7–9, 2002. Dordrecht: Kluwer Academic Publishers (ISBN 1-4020-2385-5/hbk). NATO Science Series II: Mathematics, Physics and Chemistry 163, 241-256 (2004).
Summary: Guided waves are increasingly used for non-destructive testing (NDT) of structures; their attractions include speed of inspection and their ability to penetrate inaccessible regions. However, developments of guided wave methods are relatively complex because of the existence of multiple frequency-dispersive modes. Successful development depends on a thorough knowledge of which modes may propagate in a structure, their velocity-frequency dispersion relations, and their profiles of stresses and displacements. The authors have developed a general purpose computer model which they have used for a wide variety of studies during the past ten years or so. The paper describes the function of the model in outline, and illustrates its use on some NDT applications.
For the entire collection see [Zbl 1074.74002].

MSC:

74J25 Inverse problems for waves in solid mechanics

Software:

Disperse
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