An electro-viscoelastic frictional contact problem with damage

Abstract

We consider a quasistatic frictional contact problem between a piezoelectric body and a foundation. The contact is modeled with normal compliance and friction is modeled with a general version of Coulomb's law of dry friction; the process is quasistatic and the material's behavior is described by an electro-viscoelastic constitutive law with damage. We derive a variational formulation for the model which is in the form of a system involving the displacement field, the electric potential field, and the damage field. Then we provide the existence of a unique weak solution to the model. The proof is based on arguments of evolutionary variational inequalities and fixed point.

Keywords:

• Electro-viscoelastic material
• Damage
• Frictional contact
• Variational inequality
• Weak solution

Keywords:

• AMS Subject Classifications: 74M15
• 74M10
• 74F15
• 74G25
• 49J40