A dynamic hysteresis model for Thunder transducers

Brian L. Ball; Ralph C. Smith; Zoubeida Ounaies

doi:10.1117/12.482830

1 August 2003 A dynamic hysteresis model for Thunder transducers

Brian L. Ball, Ralph C. Smith, Zoubeida Ounaies

Proceedings Volume 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control; (2003) https://doi.org/10.1117/12.482830
Event: Smart Structures and Materials, 2003, San Diego, California, United States

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.

Citation Download Citation

Brian L. Ball, Ralph C. Smith, and Zoubeida Ounaies "A dynamic hysteresis model for Thunder transducers", Proc. SPIE 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control, (1 August 2003); https://doi.org/10.1117/12.482830

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