Journal article
Modeling guided wave propagation with application to the long-range defect detection in railroad tracks
NDT & E international : independent nondestructive testing and evaluation, v 38(5), pp 325-334
01 Jul 2005
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The aim of this work is to demonstrate the use of a commercial finite element package, ABAQUS EXPLICIT, to model ultrasonic guided waves in structural components. The particular application of interest is modeling the interaction of a broadband vertical bending mode with transverse-type defects in railroad tracks. This topic is part of a broader project on high-speed defect detection in rails by long-range ultrasonic inspections. Reflection coefficient spectra in the 20–45
kHz range are obtained for four different sizes and three different orientations of transverse head flaws. A preliminary study of Lamb waves in a free plate helps drawing modeling guidelines for the rail.
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Details
- Title
- Modeling guided wave propagation with application to the long-range defect detection in railroad tracks
- Creators
- Ivan Bartoli - University of California San DiegoFrancesco Lanza di Scalea - University of California San DiegoMahmood Fateh - Federal Railroad AdministrationErasmo Viola - Dipartimento di Ingegneria delle Strutture, dei Trasporti, delle Acque, del Rilevamento, del Territorio (DISTART), Universita' degli Studi di Bologna, Via Risorgimento 2, Bologna 40136, Italia
- Publication Details
- NDT & E international : independent nondestructive testing and evaluation, v 38(5), pp 325-334
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000228236000001
- Scopus ID
- 2-s2.0-14844334139
- Other Identifier
- 991020547606304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Characterization & Testing