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Propagation of a transient shear wave from a crack in an elastic plate

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Abstract

A simple analytical technique based on the methods of transverse resonance and group velocity is developed in order to predict the propagation of shear (SH) waves emitted from a crack in elastic plates. Since a total solution of the Rayleight Lamb waves propagation inside the plate is very complicated, the simple SH mode was used to demonstrate the argument of this paper. The effects of varying distances between the crack and the sensor are also discussed.

Résumé

On développe une technique analytique simple basée sur les procédés de résonance transversale et de vitesse de trains d'onde en vue de prédire la propagation d'ondes SH émises à partir d'une fissure dans une plaque élastique.

Comme une solution complète pour la propagation des ondes de Rayleight-Lamb est très compliquée à mettre en oeuvre, on s'est restreint à utiliser le mode SH pour démontrer la validité de l'étude.

On discute également des effets d'une distance variable entre la fissure et le palpeur.

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Bassim, M.N., Wassef, W.A. Propagation of a transient shear wave from a crack in an elastic plate. Int J Fract 43, 109–116 (1990). https://doi.org/10.1007/BF00036180

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  • DOI: https://doi.org/10.1007/BF00036180

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