Transient finite element analysis of nonlinear piezoelectric material

Uday K. Dikshit; Robert L. Mullen

doi:10.1117/12.208855

5 May 1995 Transient finite element analysis of nonlinear piezoelectric material

Uday K. Dikshit, Robert L. Mullen

Proceedings Volume 2442, Smart Structures and Materials 1995: Mathematics and Control in Smart Structures; (1995) https://doi.org/10.1117/12.208855
Event: Smart Structures and Materials '95, 1995, San Diego, CA, United States

Abstract

A transient analysis, using the finite element method, is presented to study the behavior of piezoelectric materials, including non-linear plasticity effects. The analysis involves the development of an elastic-plastic constitutive law for piezoelasticity. A mixed implicit-explicit integration scheme is constructed to solve the finite element equations so as to exploit the highlights of both transient integration methods. The developed program is used to study the transient behavior of a piezoelectric actuator. Linear solutions show an edge effect resulting in changes in the curvature of the surface during the initial step transient response. The effects of plastic deformation on the behavior of a piezoelectric actuator are presented. Such calculations can be used to predict behavior of a sensor or actuator after an extreme loading event.

Citation Download Citation

Uday K. Dikshit and Robert L. Mullen "Transient finite element analysis of nonlinear piezoelectric material", Proc. SPIE 2442, Smart Structures and Materials 1995: Mathematics and Control in Smart Structures, (5 May 1995); https://doi.org/10.1117/12.208855

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