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Proceedings Paper

A dynamic hysteresis model for Thunder transducers
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Paper Abstract

This paper summarizes a nonlinear technique for quantifying the displacements generated in THUNDER actuators in response to applied voltages for a variety of boundary conditions and exogenous loads. A PDE model is constructed using Newtonian principles to quantify the displacements in the actuator due to field inputs to the piezoceramic patch. A free energy based hysteretic stress-strain relation is employed to model the electromechanical coupling in the PZT. A finite element method and Crank-Nicholson scheme are developed to discretize the model; properties of the model are illustrated through comparison with experimental data.

Paper Details

Date Published: 1 August 2003
PDF: 12 pages
Proc. SPIE 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control, (1 August 2003); doi: 10.1117/12.482830
Show Author Affiliations
Brian L. Ball, North Carolina State Univ. (United States)
Ralph C. Smith, North Carolina State Univ. (United States)
Zoubeida Ounaies, Virginia Commonwealth Univ. (United States)

Published in SPIE Proceedings Vol. 5049:
Smart Structures and Materials 2003: Modeling, Signal Processing, and Control
Ralph C. Smith, Editor(s)

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