Meso-scale finite element investigation into the short and long term strengths of glass fibre reinforced composites

Technical report

Khennane, Amar and Melchers, Robert E.. 2003. Meso-scale finite element investigation into the short and long term strengths of glass fibre reinforced composites. Toowoomba, Australia. University of Southern Queensland.
Title

Meso-scale finite element investigation into the short and long term strengths of glass fibre reinforced composites

Report TypeTechnical report
AuthorsKhennane, Amar (Author) and Melchers, Robert E. (Author)
Institution of OriginUniversity of Southern Queensland
Number of Pages29
Year2003
PublisherUniversity of Southern Queensland
Place of PublicationToowoomba, Australia
ISBN1877078069
ISSN1446-1846
Web Address (URL)http://www.usq.edu.au/engineering/techrep/2003/tr-2003-04.pdf
Abstract

A finite element model is proposed for simulating the short and long term strength of Glass Fibre Reinforced Plastics. The essence of the model is a division of the composite system into a binary system comprising 'fibre elements' to represent the fibres, and 'effective medium' elements to represent the matrix material, which account for other mechanical properties such as shear and transverse stiffness and Poisson's effect. Such a representation stems from the fact that the performance of a composite material is intrinsically controlled by the microstructure
of the component materials. Besides, it has the advantage of the power and versatility of the finite element technique. Typical results for short and long term strengths are compared to similar predictions obtained from shear lag theory. Good agreement is obtained for a variety of finite element discretisations.

Keywordsglass fibre reinforced plastics; short and long terms micro-mechanical strength; polymers; composite materials; finite element modelling
ANZSRC Field of Research 2020400505. Construction materials
401602. Composite and hybrid materials
401609. Polymers and plastics
Byline AffiliationsDepartment of Agricultural, Civil and Environmental Engineering
University of Newcastle
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