Evaluation of interfacial disbonding using finite element-based resonance ultrasonic spectroscopy

Autor:	Reza Pourshab, Sina Sodagar
Rok vydání:	2018
Předmět:	Physics::Fluid Dynamics Materials science Ultrasonic spectroscopy business.industry Mechanical Engineering Nondestructive testing Resonance Resonance scattering Composite material business Finite element method
Zdroj:	Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 233:675-684
ISSN:	2041-2983 0954-4062
Popis:	In this paper, application of resonance scattering theory for nondestructive evaluation of embedded elastic cylindrical targets is investigated. For this purpose, an FE-based short-pulse method of isolation and identification of resonances is used to investigate the effects of cylinder-matrix interfacial disbonding involving the frequency effects of measurement system. Insonification of ultrasonic plane wave from an emitting transducer and the resulting scattered wave field from the embedded cylinder is simulated using commercial software ABAQUS/Explicit. The proposed FE-based method of isolation and identification of resonances is employed to investigate the effects of cylinder-matrix interfacial disbonding on the resonance modes using far-field backscattered frequency spectrum. It is observed that, compared to the whispering gallery resonance modes, the Rayleigh modes have higher sensitivity to the presence of side-wall interfacial disbonding which significantly decreases for back-wall defects.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::25f3bc27945485aa4f906fcf8e8cb243 https://doi.org/10.1177/0954406218760060 Zobrazit plný text záznamu