Active structural health monitoring of plate-like structures can be performed with ultrasonic guided waves. The activation of ultrasonic guided waves from embedded piezoelectric fibers in carbon fiber reinforced polymer (CFRP) laminated plates is investigated. Finite element analysis simulations of wave propagation from an array of embedded parallel piezoelectric fibers are presented. A quasi-isotropic CFRP having piezoelectric fibers embedded at the midplane is studied. The number and spacing of piezoelectric fibers is varied in order to activate different modes at different frequencies. The simulation results (i) characterize the displacement profile through the thickness of the CFRP plate, (ii) enable visualization of mode excitability, and (iii) demonstrate the source influence. The results indicate that the embedded fibers have a strong potential for either hot spot monitoring or distributed monitoring of large areas. However, due to the size, spacing, and activation of embedded fibers the source influence causes the mode excitability to differ from that of a conventional comb transducer.
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ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
October 28–30, 2008
Ellicott City, Maryland, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4332-1
PROCEEDINGS PAPER
Integrated Structural Health Monitoring With Guided Waves From Piezoelectric Fibers Available to Purchase
Cliff J. Lissenden,
Cliff J. Lissenden
Pennsylvania State University, University Park, PA
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James J. Blackshire,
James J. Blackshire
Air Force Research Laboratory, Wright Patterson AFB, OH
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Padma K. Puthillath
Padma K. Puthillath
Pennsylvania State University, University Park, PA
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Cliff J. Lissenden
Pennsylvania State University, University Park, PA
James J. Blackshire
Air Force Research Laboratory, Wright Patterson AFB, OH
Padma K. Puthillath
Pennsylvania State University, University Park, PA
Paper No:
SMASIS2008-325, pp. 5-11; 7 pages
Published Online:
July 13, 2009
Citation
Lissenden, CJ, Blackshire, JJ, & Puthillath, PK. "Integrated Structural Health Monitoring With Guided Waves From Piezoelectric Fibers." Proceedings of the ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2. Ellicott City, Maryland, USA. October 28–30, 2008. pp. 5-11. ASME. https://doi.org/10.1115/SMASIS2008-325
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