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Laser Generated Rayleigh and Lamb waves
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UNSPECIFIED (2002) Laser Generated Rayleigh and Lamb waves. In: 28th Annual Conference on Quantitative Nondestructive Evaluation, JUL 29-AUG 03, 2001, BOWDOIN COLL, BRUNSWICK, ME.
Full text not available from this repository.Abstract
Laser Generated Rayleigh and Lamb waves are studied in Aluminum samples. Broadband Rayleigh waves are generated using a TEM00 mode Nd:YAG laser. In the thermoelastic regime the Rayleigh wave impulse response from a laser line source is a negative going (inward displacement) delta function. It is shown how aperturing the laser beam produces high thermal gradients resulting in large amplitude broadband Rayleigh waves. The symmetric and antisymmetric Lamb wave modes in thin aluminum plates are also studied and a simple model showing that there is a 50:50% energy split between these two modes is developed.
| Item Type: | Conference Item (UNSPECIFIED) |
|---|---|
| Subjects: | Q Science > QC Physics |
| Series Name: | AIP CONFERENCE PROCEEDINGS |
| Journal or Publication Title: | REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 21A & B |
| Publisher: | AMER INST PHYSICS |
| ISBN: | 0-7354-0061-X |
| ISSN: | 0094-243X |
| Editor: | Thompson, DO and Chimenti, DE |
| Date: | 2002 |
| Volume: | 615 |
| Number of Pages: | 8 |
| Page Range: | pp. 284-291 |
| Publication Status: | Published |
| Title of Event: | 28th Annual Conference on Quantitative Nondestructive Evaluation |
| Location of Event: | BOWDOIN COLL, BRUNSWICK, ME |
| Date(s) of Event: | JUL 29-AUG 03, 2001 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/10304 |
Data sourced from Thomson Reuters' Web of Knowledge
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