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Frequency shifts in a piezoelectric body due to a surface mass layer with consideration of the layer stiffness

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2 Author(s)
Jiashi Yang ; Dept. of Eng. Mech., Nebraska Univ., Lincoln, NE, USA ; Shaohua Guo

Shifts of resonant frequencies of a three-dimensional piezoelectric body of an arbitrary shape due to the addition of a thin layer of mass to its surface are studied. A first-order perturbation integral is obtained for the frequency shifts. The result generalizes that of a previous paper by considering the effect of the stiffness of the mass layer, in addition to its inertial effect.

Published in:

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control  (Volume:52 ,  Issue: 8 )