Abstract
The antiplane dynamic contact problem of the excitation of a semibounded electroelastic layer with a lower boundary sharply constricted by a single electrode as the simplest transformer of electroelastic waves is considered. The electrode is modelled by an absolutely rigid polar stamp. In the region of contact between the electrode and the medium, the electric potential and the amplitudes of the shear displacements are given, and outside this region the surface is free from stress and normal component of the magnetic induction is equal to zero. One of the approaches to studying the propagation laws for electro-elastic shear waves in a medium and on a surface, where this approach is based on the use of the method of fictitious absorption is proposed. A comparative analysis of the behaviour of the basic characteristics of the problem for the coupled and uncoupled problems is given, and the behaviour of the amplitude-frequency dependence on the electrode width and the oscillation frequency is studied.
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