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Keywords:
weak solution; variational formulation; antiplane shear deformation; electro-viscoelastic material; Tresca's friction; fixed point; variational inequality
weak solution; variational formulation; antiplane shear deformation; electro-viscoelastic material; Tresca's friction; fixed point; variational inequality
Summary:
We study a mathematical model which describes the antiplane shear deformation of a cylinder in frictionless contact with a rigid foundation. The material is assumed to be electro-viscoelastic with long-term memory, and the friction is modeled with Tresca's law and the foundation is assumed to be electrically conductive. First we derive the classical variational formulation of the model which is given by a system coupling an evolutionary variational equality for the displacement field with a time-dependent variational equation for the potential field. Then we prove the existence of a unique weak solution to the model. Moreover, the proof is based on arguments of evolution equations and on the Banach fixed-point theorem.
References:
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