Proshchenko T. Stress concentration in piezoceramic solids near an elliptical inclusion and a hyperboloidal neck

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0403U003402

Applicant for

Specialization

  • 01.02.04 - Механіка деформівного твердого тіла

28-10-2003

Specialized Academic Board

Д 26.166.01

S.P.Timoshenko Institute of Mechanics

Essay

The manuscript is devoted to solution of new static problems of electroelasticity. Exact solutions of the stress concentration problem in piezoceramic solids, contain an elliptical inclusion and a hyperboloidal neck, is obtained for the various case of statical and electrical loading. The solution of electroelasticity problem through harmonic function is used. The influence of piezoproperties of material on the strained state of a body, the distribution of the components of the conjugate field near stress thickeners, the dependence the stress components and the induction vector projections from curvature of the inclusion or the neck and from the physically characteristics of material is investigated.

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