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Proceedings Paper

Mode selective excitation and detection of Lamb waves
Author(s): K. Hahn; U. Amjad; K. S. Tarar; D. Jha; W. Grill
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Paper Abstract

Transducer arrangements including specially designed electronic drive and detection circuitry are presented, suitable to distinguish between the orthogonal symmetric and anti-symmetric Lamb wave modes. Whereas transducers mounted on both surfaces have already been introduced for this task, novel schemes based on transducers mounted single sided can also be exemplified in combination with advanced electronic schemes providing alignment with respect to the orthogonality of the separated modes. Detail of the developed scheme is exemplified together with experimental results which are compared to the expectations based on established modeling.

Paper Details

Date Published: 8 April 2010
PDF: 8 pages
Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 76500D (8 April 2010); doi: 10.1117/12.847740
Show Author Affiliations
K. Hahn, Univ. Leipzig (Germany)
U. Amjad, Univ. Leipzig (Germany)
K. S. Tarar, Univ. Leipzig (Germany)
D. Jha, Univ. Leipzig (Germany)
W. Grill, Univ. Leipzig (Germany)

Published in SPIE Proceedings Vol. 7650:
Health Monitoring of Structural and Biological Systems 2010
Tribikram Kundu, Editor(s)

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