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A quasistatic frictional contact problem is studied. The material behavior is modeled with a nonlinear electro-visco-elastic constitutive law, allowing piezoelectric effects. The body may come into contact with a rigid obstacle. Contact is described with the Signorini condition, a version of Coulomb's law of dry friction, and a regularized electrical conductivity condition. We derive a variational formulation of the problem, then, under a smallness assumption on the coefficient of friction, wedoi:10.22436/jmcs.016.04.06 fatcat:cygwkpwcprfz5pyt6etfyvd3qu