Mathematical modelling and simulation of delamination crack growth in glass fiber reinforced plastic (GFRP) composite laminates

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Abstract

Delamination crack growth is a major source of failure in composite laminates under static and fatigue loading conditions. In the present study, damage mechanics based failure models for both static and fatigue loadings are evaluated via UMAT subroutine to study the dela- mination crack growth phenomenon in Glass Fiber Reinforced Plastic (GFRP) composite laminates. A static local damage model proposed by Allix and Ladev`eze is modified to an non-local damage model in order to simulate the crack growth behavior due to static loading. Next, the same classical damage model is modified to simulate fatigue delamination crack growth. The finite element analysis results obtained by the proposed models are successfully compared with the available experimental data on the delamination crack growth for GFRP composite laminates.
Original languageEnglish
Pages (from-to)17–26
Number of pages10
JournalJournal of Theoretical and Applied Mechanics (Poland)
Volume57
Issue number1
DOIs
Publication statusPublished - 20 Jan 2019
Externally publishedYes

Bibliographical note

CC BY-NC 3.0 DEED
Attribution-NonCommercial 3.0 Unported

Keywords

  • finite element analysis
  • GFRP
  • damage mechanics
  • non-local
  • fatigue
  • delamination

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