Post-buckling analysis of imperfect laminates using finite strips based on a higher-order plate theory

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Abstract

A finite strip procedure has been developed for the post-buckling analysis of composite laminates when subjected to progressive end shortening. The finite strips are developed based on a higher-order shear deformation plate theory and there are nine variables at each nodal line. Initial imperfection expressed in the form of suitable trigonometric function is allowed. Examples including isotropic plates and laminates with arbitrary lay-up arrangement are presented. Numerical results for laminates with and without initial imperfection are used to illustrate the effect of imperfection.
Original languageEnglish
Pages (from-to)2265-2278
Number of pages14
JournalInternational Journal for Numerical Methods in Engineering
Volume56
Issue number15
DOIs
Publication statusPublished - 21 Apr 2003

Keywords

  • End-shortening strain
  • Finite strip method
  • Higher-order plate theory
  • Initial imperfection
  • Post-buckling

ASJC Scopus subject areas

  • Numerical Analysis
  • Engineering(all)
  • Applied Mathematics

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