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January 1, 2008Journal of Solid Mechanics and Materials EngineeringOpen Access

Modal Analysis of Guided Waves and Its Application to Rail Inspection

Takahiro Hayashi Keita Kataoka Mitsunobu Takikawa

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Abstract

Dispersion curves and wave structures for a railway rail were obtained with a semi-analytical finite element method. Since one portion of many modes obtained by the calculation are suitable modes for guided wave inspection, which are non-dispersive long propagating modes, dominant modes were obtained from wave structure data for the three sections of rail cross-section, head, web and bottom and for x, y and z directions. As a result, suitable modes for guided wave inspection are limited to A0, SH and Rayleigh-like modes vibrating locally at these sections.

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Hayashi et al. (2008) studied this question.

synapsesocial.com/papers/6ab1ed0e855723dd98c08a82 https://doi.org/10.1299/jmmp.2.1298

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