Abstract
We consider a mathematical model which describes the frictional contact between a piezoelectric body and an electrically conductive support. We model the material’s behavior with an electro-elastic constitutive law; the frictional contact is described with a boundary condition involving Clarke’s generalized gradient and the electrical condition on the contact surface is modelled using the subdifferential of a proper, convex and lower semicontinuous function. We derive a variational formulation of the model and then, using a fixed point theorem for set valued mappings, we prove the existence of at least one weak solution. Finally, the uniqueness of the solution is discussed; the investigation is based on arguments in the theory of variational-hemivariational inequalities.
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Andrei, I., Costea, N. & Matei, A. Antiplane shear deformation of piezoelectric bodies in contact with a conductive support. J Glob Optim 56, 103–119 (2013). https://doi.org/10.1007/s10898-011-9815-x
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DOI: https://doi.org/10.1007/s10898-011-9815-x
Keywords
- Antiplane shear deformation
- Piezoelectricity
- Frictional contact
- Clarke’s generalized gradient
- Variational-hemivariational inequality