Analysis of Piezoelectric Structures and Devices by Daining Fang

By Daining Fang

This edited paintings covers piezoelectric fabrics within the kind of beams, plates, shells, and different structural elements in sleek units and constructions. functions are frequency regulate and detection services in resonators, sensors, actuators, oscillations, and different clever and clever constructions.

The contributions hide novel tools for the research of piezoelectric constructions together with wave propagation, excessive frequency vibration, fabric characterization, and optimization of buildings. knowing of those tools is more and more very important within the layout and modelling of subsequent iteration units and micro-structures with piezoelectric components and results

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51) Bm are the coefficients determined to fit the deformation profile and m = 10 in this case. This will be used to calculate actuation profiles when the actuator coordinates are specified later. An SQ photostrictive actuator system based on this component is presented next. Actuation characteristics of the new design applied to cylindrical shells are also evaluated later. 2 Photostrictive SQ actuator The photostrictive SQ actuator system can be used to induce multi-DOF non-uniform control actions, and its induced control forces and moments are defined in this section.

1 Non-uniform Actuations of Plates and Shells 39 Acknowledgments This research was supported, in part, by two grants from the National Natural Science Foundation of China (NSFC Nos. 51105095, 51175103) and the Natural Scientific Research Innovation Foundation at Harbin Institute of Technology (HIT NSRIF 2011111). Professor Tzou would like to thank the “111 Project” (B07018) program sponsored by the Chinese Ministry of Education at Harbin Institute of Technology, the 2ndphase “985” project at Zhejiang University and also NSFC No.

They are determined by material Recall that Mxx ψψ ψψ properties, actuator and shell dimensions, modes and actuator locations. By comparing these control forces, one can study the modal control effectiveness of the new photostrictive SQ actuator system. Actuation characteristics and effectiveness of the photostrictive SQ actuator system to shells are presented next. 4 Case studies: photostrictive actuation of shells Control characteristics and effectiveness of the SQ actuator system on cylindrical shell panels are evaluated respectively when the actuator system is center-located or cornerlocated on the shell structure.

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