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Laser vibrometric study of plate waves for Structural Health Monitoring (SHM)

 
: Köhler, B.; Blackshire, F.

Thompson, D.O. ; American Institute of Physics -AIP-, New York:
Review of progress in quantitative nondestructive evaluation. 25B : Brunswick, Maine, 31 July - 5 August 2005; the 32th Annual Review of Progress in Quantitative Evaluation
Melville, NY: AIP, 2006 (AIP conference proceedings 820)
ISBN: 0-7354-0312-0
ISSN: 0094-243X
pp.1672-1679
Annual Review of Progress in Quantitative Nondestructive Evaluation <32, 2005, Brunswick/Me.>
English
Conference Paper
Fraunhofer IZFP, Institutsteil Dresden ( IKTS-MD) ()
lamb wave; vibrometer; dispersion; array

Abstract
Laser vibrometer are used to study Lamb wave propagation in plate structures. Sound fields are visualized as intensity and snapshoot images. It is demonstrated, that the sound beam can be directed into areas of interest and focused. The role of Lamb wave dispersion in focusing is visualized and discussed.

: http://publica.fraunhofer.de/documents/N-44821.html