Multiscale modeling of matrix cracking coupled with interfacial debonding in random glass fiber composites based on volume elements

Wensong Yang, Yi Pan, Assimina A. Pelegri

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A multiscale numerical approach is established to model damage in random glass fiber composites. A representative volume element of a random glass fiber composite is employed to analyze microscale damage mechanisms, such as matrix cracking and fiber-matrix interfacial debonding, while the associated damage variables are defined and applied in a mesoscale stiffness reduction law. The macroscopic response of the homogenized mesoscale damage model is investigated using finite element analysis and validated through experiments. A case study of a random glass fiber composite plate containing a central hole subjected to tensile loading is performed to illustrate the applicability of the multiscale damage model.

Original languageEnglish (US)
Pages (from-to)3389-3399
Number of pages11
JournalJournal of Composite Materials
Volume47
Issue number27
DOIs
StatePublished - Dec 1 2013

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Materials Chemistry

Keywords

  • Finite element
  • damage
  • glass fiber
  • interfacial debonding
  • matrix cracking
  • multiscale
  • random fiber composites
  • representative volume element

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