Numerical modelling of impact damage

Glyn AO Davies, Xiang Zhang, Gang Zhou, Simon college

Research output: Contribution to journalArticlepeer-review

108 Citations (Scopus)

Abstract

A method is described for predicting barely visible impact damage in realistic composite structures. It avoids a three-dimensional finite element analysis by ‘embedding’ coupon tests as a calibrator in the finite element model of the larger actual structure. Predictions are then made for all the dynamic responses including force and strain histories. A theoretical method is devised for predicting threshold fracture loads. This strategy is successfully validated by tests for carbon composite structures, and then extended to glass and Kevlar laminated plates with varying degrees of success.
Original languageEnglish
Pages (from-to)342-350
Number of pages9
JournalComposites
Volume25
Issue number5
DOIs
Publication statusPublished - May 1994
Externally publishedYes

Keywords

  • impact
  • damage tolerance
  • delamination prediction

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