Nonlinear bending behavior of Reissner–Mindlin plates with free edges resting on tensionless elastic foundations

2004 ◽  
Vol 41 (16-17) ◽  
pp. 4809-4825 ◽  
Author(s):  
Hui-Shen Shen ◽  
L. Yu
Keyword(s):  
Nonlinear Bending ◽  
Elastic Foundations ◽  
Bending Behavior ◽  
Free Edges

Bending Behavior of Functionally Graded Piezoelectric Laminated Actuators under Electric Fields

2007 ◽  
Vol 336-338 ◽  
pp. 2619-2623
Author(s):  
Yasuhide Shindo ◽  
Fumio Narita
Keyword(s):  
Domain Wall ◽  
Electric Fields ◽  
Piezoelectric Actuator ◽  
Wall Motion ◽  
Domain Wall Motion ◽  
Functionally Graded ◽  
Experimental Results ◽  
Nonlinear Bending ◽  
Bending Behavior ◽  
Functionally Graded Piezoelectric

We present numerical and experimental results on the nonlinear bending behavior due to domain wall motion in functionally graded piezoelectric actuator under alternating current (ac) electric fields. A nonlinear finite element method is employed to analyze the dynamic response of functionally graded piezoelectric actuator. A phenomenological model of domain wall motion is used in computation, and the effects of ac electric field amplitude and frequency, number of layers, and property gradation on the deflection of the cantilever actuators are examined. Experimental results, which verify the model, are presented using a functionally graded bimorph. The numerical results agree very well with the experimental values.

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