Analysis for unilateral contact problem with Coulomb’s friction in thermo-electro-visco-elasticity



The aim of this paper is to study a Signorini’s problem with Coulomb’s friction between a thermo-electro-viscoelasticity body and an electrically and thermally conductive foundation. The materiel’s behavior is described by the linear thermo-electro-viscoelastic constitutive laws. The variational formulation is written as nonlinear quasivariational inequality for the displacement field, a nonlinear family elliptic variational equations for the electric potential and a nonlinear parabolic variational equations for the temperature field. We prove under some assumption existence of a weak solution to the problem. The thermo-electro-viscoelastic law with a some temperature parameter > 0 is considered. Then we prove
its unique solution as well as the convergence of its solution to the solution of the original problem as the temperature parameter ! 0.


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