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Abstract
A geometrical approximation of the transversely isotropic piezocomposite is proposed in the form of a model of coaxial cylinders made up of a binding material and cylindrical inclusions randomly distributed in the isotropy plane. A solution to the electroelastic problem of equilibrium of the coaxial cylinder in an effective medium has made it possible to find the distribution of the electric and the mechanical fields in the components and, based on the hypothesis of equivalent homogeneity, to calculate the dependence of effective elastic, dielectric and piezoelectric properties of the piezocomposite on the properties of the components and their concentration. Variational estimates have shown that the results obtained are, in terms of the model, exact corresponding to the selfconsistent calculational scheme.