Transient vibration of smart structures using a coupled piezoelectric-mechanical theory

R. P. Thornburgh, Aditi Chattopadhyay, A. Ghoshal

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

A smart structural model is developed to analytically determine the transient response of arbitrary structures with piezoelectric materials and attached electrical circuitry. The equations of motion are formulated using a coupled piezoelectric formulation solving for strain and electric charge. The composite host structure is modelled using a refined higher-order laminate theory and additional degrees of freedom are then added to describe any attached electrical circuitry. The developed model results in a general framework that can be useful in solving a wide variety of coupled piezoelectric-mechanical problems. A comparison is made with classical plate theory and uncoupled piezoelectric modelling techniques to illustrate the importance of proper modelling in order to accurately estimate sensor response during transient loading of adaptive structures. The model is compared with experimental results, showing the model to be capable of capturing several effects not possible with traditional smart structures modelling techniques.

Original languageEnglish (US)
Pages (from-to)53-72
Number of pages20
JournalJournal of Sound and Vibration
Volume274
Issue number1-2
DOIs
StatePublished - Jul 6 2004

Fingerprint

smart structures
Intelligent structures
vibration
transient response
Transient analysis
plate theory
Electric charge
Piezoelectric materials
composite structures
electric charge
laminates
Equations of motion
Laminates
equations of motion
degrees of freedom
formulations
sensors
Sensors
Composite materials
estimates

ASJC Scopus subject areas

  • Engineering(all)
  • Mechanical Engineering

Cite this

Transient vibration of smart structures using a coupled piezoelectric-mechanical theory. / Thornburgh, R. P.; Chattopadhyay, Aditi; Ghoshal, A.

In: Journal of Sound and Vibration, Vol. 274, No. 1-2, 06.07.2004, p. 53-72.

Research output: Contribution to journalArticle

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