Fiber neutrality in fiber-reinforced composites

Evidence from a computational study

Journal article (2019)

Authors

M. Goudarzi Applied Mechanics - CEG
A. Simone Applied Mechanics - CEG , Università degli Studi di Padova
Research Group
Applied Mechanics (CEG) (TU Delft)
Copyright: © 2019 M. Goudarzi, A. Simone
DOI
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https://doi.org/10.1016/j.ijsolstr.2018.07.023
Fiber-reinforced composites Embedded reinforcement Fiber neutrality
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Published Date

2019

Language

English

Faculty

Civil Engineering & Geosciences

Department

Materials- Mechanics- Management & Design

Research Group

Applied Mechanics

Abstract

We report numerical evidence for neutrality of thin fibers to a prescribed uniform stress field in a fiber-reinforced composite. Elastic finite element analyses of fiber-reinforced composites are carried out with a conventional fully-resolved model and a novel dimensionally-reduced fiber model.The two modeling approaches are compared in the analysis of mechanical properties and matrix-fiber slip profiles. An analysis of the effectiveness of various fiber orientations with respect to the loading direction shows that the notion of inclusion neutrality, originally formulated for rigid line inclusions by Wang et al. [Journal of Applied Mechanics, 52(4), 814–822, 1985], holds also for linear elastic thin fibers with imperfect interface.