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EnglishPiezoelectric elements are a key component of modern non-destructive testing (NDT) and structural health monitoring (SHM) systems and play a significant role in many other areas involving dynamic interaction with the structure such as energy harvesting, active control, power ultrasonics or removal of surface accretions using structural waves. In this paper we present a wave-based technique for modelling waveguides equipped with piezoelectric actuators in which there is no need for common simplifications regarding their dynamic behaviour or mutual interaction with the structure. The proposed approach is based on the semi-analytical finite element (SAFE) method. We developed a new piezoelectric semi-analytical element and employed the analytical wave approach to model the distributed electric excitation and scattering of the waves at discontinuities. The model is succeßfully validated against an experiment on a beam-like waveguide with emulated anechoic terminations.
Semi-analytical modelling of piezoelectric excitation of guided waves / Kalkowski, M. K.; Rustighi, E.; Waters, T. P.. - 9438(2015), pp. 943820.1-943820.15. ((Intervento presentato al convegno Health Monitoring of Structural and Biological Systems 2015 tenutosi a San Diego, CA nel 8th-12th March 2015.
| Titolo: | Semi-analytical modelling of piezoelectric excitation of guided waves | |
| Autori: | Kalkowski, M. K.; Rustighi, E.; Waters, T. P. | |
| Autori Unitn: | ||
| Titolo del volume contenente il saggio: | Health Monitoring of Structural and Biological Systems 2015 | |
| Luogo di edizione: | Bellingham, WA | |
| Casa editrice: | SPIE | |
| Anno di pubblicazione: | 2015 | |
| Codice identificativo Scopus: | 2-s2.0-84943303384 | |
| Codice identificativo WOS: | WOS:000359481400049 | |
| ISBN: | 9781628415414 | |
| Handle: | http://hdl.handle.net/11572/290614 | |
| Citazione: | Semi-analytical modelling of piezoelectric excitation of guided waves / Kalkowski, M. K.; Rustighi, E.; Waters, T. P.. - 9438(2015), pp. 943820.1-943820.15. ((Intervento presentato al convegno Health Monitoring of Structural and Biological Systems 2015 tenutosi a San Diego, CA nel 8th-12th March 2015. | |
| Appare nelle tipologie: | 04.1 Saggio in atti di convegno (Paper in Proceedings) |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| 2015 SPIE Kalkowski Analytical.pdf | Pre-print non referato (Non-refereed preprint) | Tutti i diritti riservati (All rights reserved) | Open Access Visualizza/Apri | |
| Semi-analytical modelling of piezoelectric excitation of guided waves.pdf | Versione editoriale (Publisher’s layout) | Tutti i diritti riservati (All rights reserved) | Administrator |
http://hdl.handle.net/11572/290614
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