Modelling piezoelectric excitation in waveguides using the semi-analytical finite element method
Modelling piezoelectric excitation in waveguides using the semi-analytical finite element method
In this paper we present a wave-based technique for modelling waveguides equipped with piezoelectric actuators in which there is no need for common simplications regarding their dynamic behaviour, the interaction with the waveguide or the bonding conditions. The proposed approach is based on the semianalytical finite element (SAFE) method. We developed a new piezoelectric element and employed the analytical wave approach to model the distributed electrical excitation and scattering of the waves at discontinuities. The model was successfully verified numerically and validated against an experiment on a beam-like waveguide with emulated anechoic terminations.
wave propagation, piezoelectric excitation, semi-analytical finite element method, wave approach, smart structures, guided waves
174-186
Kalkowski, Michal
6f0d01ef-7f44-459c-82a2-03f9e1275eda
Rustighi, Emiliano
9544ced4-5057-4491-a45c-643873dfed96
Waters, Timothy P.
348d22f5-dba1-4384-87ac-04fe5d603c2f
September 2016
Kalkowski, Michal
6f0d01ef-7f44-459c-82a2-03f9e1275eda
Rustighi, Emiliano
9544ced4-5057-4491-a45c-643873dfed96
Waters, Timothy P.
348d22f5-dba1-4384-87ac-04fe5d603c2f
Kalkowski, Michal, Rustighi, Emiliano and Waters, Timothy P.
(2016)
Modelling piezoelectric excitation in waveguides using the semi-analytical finite element method.
Computers & Structures, 173, .
(doi:10.1016/j.compstruc.2016.05.022).
Abstract
In this paper we present a wave-based technique for modelling waveguides equipped with piezoelectric actuators in which there is no need for common simplications regarding their dynamic behaviour, the interaction with the waveguide or the bonding conditions. The proposed approach is based on the semianalytical finite element (SAFE) method. We developed a new piezoelectric element and employed the analytical wave approach to model the distributed electrical excitation and scattering of the waves at discontinuities. The model was successfully verified numerically and validated against an experiment on a beam-like waveguide with emulated anechoic terminations.
Text
Kalkowski_CAS-D-15-00725R2.pdf
- Accepted Manuscript
More information
Accepted/In Press date: 25 May 2016
e-pub ahead of print date: 6 July 2016
Published date: September 2016
Keywords:
wave propagation, piezoelectric excitation, semi-analytical finite element method, wave approach, smart structures, guided waves
Organisations:
Dynamics Group
Identifiers
Local EPrints ID: 398208
URI: http://eprints.soton.ac.uk/id/eprint/398208
ISSN: 0045-7949
PURE UUID: e27fa9df-b503-484b-b93c-85d21eb785ab
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Date deposited: 21 Jul 2016 10:25
Last modified: 15 Mar 2024 05:45
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