Nonlinear finite element modeling of THUNDER piezoelectric actuators | Zendy

Barmac Taleghani | Zendy; J. F. Campbell | Zendy

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<title>Nonlinear finite element modeling of THUNDER piezoelectric actuators</title>

Author(s) -

Barmac Taleghani,

J. F. Campbell

Publication year - 1999

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.350733

Subject(s) - unimorph , thunder , finite element method , actuator , piezoelectricity , voltage , nonlinear system , structural engineering , offset (computer science) , engineering , materials science , control theory (sociology) , acoustics , physics , electrical engineering , computer science , quantum mechanics , programming language , control (management) , artificial intelligence

A NASTRAN non-linear finite element model has been developed for predicting the dome heights of THUNDER (THin Layer UNimorph ferroelectric DrivER) piezoelectric actuators. To analytically validate the finite element model, a comparison was made with a non-linear plate solution using Von Karmen''s approximation. A 500 volt imput was used to examine the actuator deformation. The NASTRAN finite element model was also compared with experimental results. Four groups of specimens were fabricated and tested. Four different input voltages, which included 120, 160, 200, and 240 Vp-p with a 0 volts offset, were used for this comparison.

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