MECHANICAL-ELECTRIC COUPLING BEHAVIOUR OF A PENNY-SHAPE CRACK IN PIEZOELECTRIC CERAMICS SUBJECTED TO LATERAL SHEARING FORCE
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Abstract
The field equations for three-dimensional problems in transversely isotropicpiezoelectric medium may be reduced to four second order linear partial differential equa-tions,in which the elastic displacement components and electric potential functions areunknowns.In this paper,expressions for displacement components and electric potentialfunctions are derived by using four harmonic functions,they form the so-called general solu-tions of the field equations for three-dimensional problems.As an example,a penny...
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