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Proceedings Paper

Stress distribution in a simple adaptive structure actuated in bending mode
Author(s): Renato Barboni; Paolo Gaudenzi; Giulio Strambi
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Paper Abstract

Recently piezoelectric materials have been used as actuators or sensors in some simple adaptive structures. Thin polarized piezoceramics were bonded to the top and bottom surfaces of simple plate-like passive structures. The piezoelectric layers work as actuators or sensors by means of the converse of the direct piezoelectric effect. In both cases the interaction mechanism between the active layer and the passive structure plays a fundamental role in the response of the overall structure [1,2,3]. Aim of the present paper is to study the stress distribution that is generated in the interaction between a simple (plate) structure and a piezoelectric actuator. A closed form solution is obtained for a given displacement assumption, based on a power series technique. The displacement form allows the interlaminar stress continuity at the interfaces between the actuator layer and the structure [4].

Paper Details

Date Published: 13 September 1994
PDF: 4 pages
Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); doi: 10.1117/12.184795
Show Author Affiliations
Renato Barboni, Univ. di Roma "La Sapienza" (Italy)
Paolo Gaudenzi, Univ. di Roma "La Sapienza" (Italy)
Giulio Strambi, Univ. di Roma "La Sapienza" (Italy)

Published in SPIE Proceedings Vol. 2361:
Second European Conference on Smart Structures and Materials
Alaster McDonach; Peter T. Gardiner; Ron S. McEwen; Brian Culshaw, Editor(s)

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