Read e-book online Analysis of Piezoelectric Structures and Devices PDF

By Daining Fang

ISBN-10: 1680152548

ISBN-13: 9781680152548

ISBN-10: 3110297884

ISBN-13: 9783110297881

ISBN-10: 311029799X

ISBN-13: 9783110297997

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

The contributions conceal novel tools for the research of piezoelectric buildings together with wave propagation, excessive frequency vibration, fabric characterization, and optimization of constructions. figuring out of those equipment is more and more vital within the layout and modelling of subsequent new release units and micro-structures with piezoelectric parts and results

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10) Fig. 1 A shell element and coordinate system. 11) n=0 For the electric and magnetic potentials of the I-th layer (hI−1 < γ3 < hI ), we introduce a local thickness coordinate, γ3I = γ3 −(hI +hI−1 )/2, whose origin is at the middle surface of the I-th layer. 13), g is a positive integer. u j , ϕ I(n) and ψ I(n) vanish for n > g. Succes- 2 Structural Theories of Multiferroic Plates and Shells 47 sively higher values of g lead to higher-order theories. 17) Here δi j is the Kronecker delta. 23) Next, we derive shell constitutive equations for thin shells.

Opto-piezothermoelastic constitutive modeling of a new 2-d photostrictive composite plate actuator. Proceeding of ASME IMECE 2000, 61, 1-8. [32] Tzou H S, Chou C S. Nonlinear optoelectromechanics and photodeformation of optical actuators. Smart Mater. , 1996, 5, 230-235. [33] Yue H H, Sun G L, Deng Z Q, et al. Distributed shell control with a new multi-DOF photostrictive actuator design. J. , 2010, 329, 3647-3659. [34] Jiang J, Yue H H, Deng Z Q, et al. Non-uniform control moments induced by a new skewquad actuator design applied to plate controls.

Length ratio of the center-located SQ actuator system. (a) (1,1), (1,2), (1,3) modes; (b) (2,1), (2,2), (2,3) modes; (c) (3,1), (3,2), (3,3) modes. , the actuator coverage. , the 100% coverage is not the most effective size to all nine shell modes. Thus, the actuator size is very important to the overall modal control effectiveness. Control effectiveness of each mode and its optimal size need to be carefully evaluated. 2 Corner-located SQ actuator system In this case, the SQ actuator is located at one quadrant of the shell panel.

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Analysis of Piezoelectric Structures and Devices by Daining Fang

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