Use of thickness-shear mode in constructing adaptive sandwich structures

Use of thickness-shear mode in constructing adaptive sandwich structures A new adaptive sandwich structure is constructed using the shear mode of piezoelectric materials. A comparative study of the sandwich structure and the corresponding surface- mounted actuation structure is performed using finite element analysis. The effects of actuator length and location on actuation performance of the structures are studied. The stress distributions under mechanical and electrical loads are investigated for both the sandwich beam and the surface-mounted activation beam. It is shown that the stress level within the actuators is more severe for the surface-mounted actuation beam than for the sandwich. Also, the interface-stress distribution between actuator and host structure is analyzed. It is shown that sandwich construction offers many advantages over conventional surface-mounted actuation constructions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proceedings of SPIE SPIE

Use of thickness-shear mode in constructing adaptive sandwich structures

Proceedings of SPIE, Volume 2443 (1) – May 8, 1995

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Publisher
SPIE
Copyright
Copyright © 2005 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
ISSN
0277-786X
eISSN
1996-756X
D.O.I.
10.1117/12.208284
Publisher site
See Article on Publisher Site

Abstract

A new adaptive sandwich structure is constructed using the shear mode of piezoelectric materials. A comparative study of the sandwich structure and the corresponding surface- mounted actuation structure is performed using finite element analysis. The effects of actuator length and location on actuation performance of the structures are studied. The stress distributions under mechanical and electrical loads are investigated for both the sandwich beam and the surface-mounted activation beam. It is shown that the stress level within the actuators is more severe for the surface-mounted actuation beam than for the sandwich. Also, the interface-stress distribution between actuator and host structure is analyzed. It is shown that sandwich construction offers many advantages over conventional surface-mounted actuation constructions.

Journal

Proceedings of SPIESPIE

Published: May 8, 1995

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