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A Quasistatic Contact Problem for Viscoelastic Materials with Slip-Dependent Friction and Time Delay

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  • Si-sheng Yao
  • Nan-jing Huang

Abstract

A mathematical model which describes an explicit time-dependent quasistatic frictional contact problem between a deformable body and a foundation is introduced and studied, in which the contact is bilateral, the friction is modeled with Tresca’s friction law with the friction bound depending on the total slip, and the behavior of the material is described with a viscoelastic constitutive law with time delay. The variational formulation of the mathematical model is given as a quasistatic integro-differential variational inequality system. Based on arguments of the time-dependent variational inequality and Banach's fixed point theorem, an existence and uniqueness of the solution for the quasistatic integro-differential variational inequality system is proved under some suitable conditions. Furthermore, the behavior of the solution with respect to perturbations of time-delay term is considered and a convergence result is also given.

Suggested Citation

  • Si-sheng Yao & Nan-jing Huang, 2012. "A Quasistatic Contact Problem for Viscoelastic Materials with Slip-Dependent Friction and Time Delay," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-22, December.
    • Handle: RePEc:hin:jnlmpe:396745
    DOI: 10.1155/2012/396745
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