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Instability of nonlinear viscoelastic plates

  • Li Qun Chen*
  • , Chang Jun Cheng
  • *Corresponding author for this work
  • Shanghai University

Research output: Contribution to journalArticlepeer-review

Abstract

This paper investigates the instability of an isotropic, homogeneous, simply supported rectangular plate subjected to a prescribed periodic in-plane load. The material is assumed to be viscoelastic and obey the Leaderman nonlinear constitutive relation. The equation of motion is derived as a nonlinear integro-partial-differential equation, and is simplified into a nonlinear integro-differential equation by the Galerkin method. The averaging method is developed to establish the condition of instability. Numerical results are presented to compare with the analytical ones.

Original languageEnglish
Pages (from-to)1453-1463
Number of pages11
JournalApplied Mathematics and Computation
Volume162
Issue number3
DOIs
StatePublished - 25 Mar 2005
Externally publishedYes

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