Exponential and polynomial decay for a quasilinear viscoelastic equation

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123 Scopus citations

Abstract

We consider the following nonlinear viscoelastic equation: | ut |ρ ut t - Δ u - Δ ut t + ∫0t g (t - s) Δ u (s) d s = 0, in a bounded domain Ω for ρ > 0. We show that the dissipation induced by the integral term is strong enough to stabilize the solution. This result improves an earlier one given by Cavalcanti et al. in [M.M. Cavalcanti, V.N.D. Cavalcanti, J. Ferreira, Existence and uniform decay for nonlinear viscoelastic equation with strong damping, Math. Methods Appl. Sci. 24 (2001) 1043-1053].

Original languageEnglish
Pages (from-to)785-793
Number of pages9
JournalNonlinear Analysis, Theory, Methods and Applications
Volume68
Issue number4
DOIs
StatePublished - 15 Feb 2008

Bibliographical note

Funding Information:
The authors would like to express their sincere thanks to King Fahd University of Petroleum and Minerals for its support. This work was funded by KFUPM under Project # SABIC 2005-02.

Keywords

  • Exponential decay
  • Memory term
  • Modified energy functional
  • Nonlinear viscoelastic equation
  • Polynomial decay
  • Relaxation function

ASJC Scopus subject areas

  • Analysis
  • Applied Mathematics

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