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Electromechanical analysis of piezoelectric bimorph actuator in static state considering the nonlinearity at high electric field

Chattaraj, Nilanjan and Ganguli, Ranjan (2016) Electromechanical analysis of piezoelectric bimorph actuator in static state considering the nonlinearity at high electric field. In: MECHANICS OF ADVANCED MATERIALS AND STRUCTURES, 23 (7). pp. 802-810.

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Official URL: http://dx.doi.org/10.1080/15376494.2015.1029168

Abstract

This article contains electromechanical analysis of a piezoelectric bimorph actuator at high electric field by incorporating second-order constitutive equations of piezoelectric material. Tip deflection, block force, block moment, block load, output strain energy, output energy density, input electrical energy, and energy efficiency are analytically derived for the actuator at high electric field. The analysis shows that output energy and energy density increase more rapidly at high electric field, compared to the prediction by the linear model. The analysis shows energy efficiency depends on electric field. Some analytical results are validated with the published experimental results.

Item Type: Journal Article
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Additional Information: Copy right for this article belongs to the TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
Keywords: Piezoelectric bimorph; piezoelectric trimorph; piezoelectric transducer; piezoelectric actuator; piezoelectric composite beam; piezoelectric nonlinearity
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 03 Mar 2016 06:01
Last Modified: 03 Mar 2016 06:01
URI: http://eprints.iisc.ernet.in/id/eprint/53369

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