By Daining Fang
This edited paintings covers piezoelectric fabrics within the kind of beams, plates, shells, and different structural parts in glossy units and constructions. functions are frequency keep an eye on and detection capabilities in resonators, sensors, actuators, oscillations, and different clever and clever constructions.
The contributions hide novel equipment for the research of piezoelectric constructions together with wave propagation, excessive frequency vibration, fabric characterization, and optimization of buildings. realizing of those tools is more and more vital within the layout and modelling of subsequent iteration units and micro-structures with piezoelectric components and results
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Additional resources for Analysis of Piezoelectric Structures and Devices
Proceedings of the ASME Aerospace Division, 1996, AD-52, 663-678. ASME 1996 International Congress, Atlanta, GA, November 17-22.  Liu B, Tzou H S. Distributed photostrictive actuation and opto-piezothermoelasticity applied to vibration control of plates. ASME J. Vib. , 1998, 120, 937-943.  Fukuda T, Hattori S, Arai F, et al. Characteristics of optical actuator-servomechanisms using bimorph optical piezoelectric actuator. Proceedings of 1993 IEEE Robotics and Automation Conference, 1993, 618-623.
Closedloop actuation to improve control effectiveness of unsymmetrical shell modes is also evaluated. 12 shows a PLZT photostrictive actuator polarized in the z-direction and its two electrodes are on the x-y surfaces. The actuator can induce strains along the polarization direction when subjected to high-intensity light illuminations. , 1 the photo-electromechanical (photodeformation) effect, 2 the photo-thermo-electromechanical effect and, 3 the photo-thermoelastic effect. When the photostrictive actuator is laminated with flexible structures, it can induce control actions from these strains.
Substituting them into the 3D equations and then integrating these equations over the thickness of the structure, the 2D equations are thus obtained for multiferroic structures. In a theoretical sense, the result will be exact and the same as that of 3D equations when the number of terms in the series approaches infinite. However, the infinite series of equations are no easier to treat than the original 3D equations. Actually, a few terms properly retained in the series will be enough accurate in practice as already demonstrated for elastic and 2 Structural Theories of Multiferroic Plates and Shells 45 piezoelectric plates [12, 13, 23].