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Enhancement of the dynamic buckling load for a plate by using piezoceramic actuators

R C Batra and T S Geng

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We consider geometric and material nonlinearities when studying numerically the transient three-dimensional elastic deformations of a plate with piezoceramic elements perfectly bonded to its top and bottom surfaces, and analyze the effect of the shape and the size of the piezoceramic actuators on increasing the buckling load of the plate. The applied compressive edge load is assumed to increase linearly with time and the plate is taken to have buckled when the maximum transverse deflection at a point equals three times the plate's thickness.


PACS

46.32.+x Static buckling and instability

85.50.-n Dielectric, ferroelectric, and piezoelectric devices

46.70.De Beams, plates and shells

46.25.-y Static elasticity

77.84.Dy Niobates, titanates, tantalates, PZT ceramics, etc.

81.40.Lm Deformation, plasticity, and creep

81.40.Jj Elasticity and anelasticity, stress-strain relations

Subjects

Condensed matter: electrical, magnetic and optical

Electronics and devices

Condensed matter: structural, mechanical & thermal

Dates

Issue 5 (October 2001)

Received 9 November 2000, in final form 13 July 2001

Published 3 October 2001



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