Compressive fracture of layered composites caused by internal instability

Igor A Guz, M. Menshykova, C. Soutis

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


This chapter revisits the exact three-dimensional (3-D) approach to study internal instability in layered media based on the model of a piecewise-homogeneous medium, in which the behaviour of each component of the material is described by the 3-D equations of solid mechanics. The results of this approach can be used as a benchmark for simplified models. The chapter begins with the development of a unified computational procedure for numerical realisation of the 3-D analytical method as applied to various constitutive equations of the layers, different loading schemes (uniaxial or biaxial loading) and different precritical conditions (large or small precritical deformations). It contains many examples of calculation of critical stresses/strains for particular composites as well as analyses of different buckling modes. The second part of the chapter deals with the application of a developed model to investigation of compressive behaviour of stiffened thin-skinned composite panels with stress concentrators.
Original languageEnglish
Title of host publicationStructural Integrity and Durability of Advanced Composites
Subtitle of host publicationInnovative Modelling Methods and Intelligent Design
EditorsPeter W. R. Beaumont, Constantinos Soutis, Alma Hodzic
Place of PublicationCambridge, UK
PublisherWoodhead Publishing
Number of pages34
ISBN (Electronic)9780081001387
ISBN (Print)9780081001370
Publication statusPublished - 15 Jun 2015

Publication series

NameWoodhead Publishing Series in Composites Science and Engineering
PublisherWoodhead Publishing


  • analytical modelling
  • impact behaviour
  • laminates
  • microbuckling
  • stiffened panels


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