Multiscale modeling of combined deterministic and stochastic fabric non-uniformity for realistic resin injection simulation

Article

Endruweit, A., Zeng, X. and Long, A. C .. 2014. "Multiscale modeling of combined deterministic and stochastic fabric non-uniformity for realistic resin injection simulation ." Advanced Manufacturing: Polymer & Composites Science. 1 (1), pp. 3-15. https://doi.org/10.1179/2055035914Y.0000000002
Article Title

Multiscale modeling of combined deterministic and stochastic fabric non-uniformity for realistic resin injection simulation

Article CategoryArticle
AuthorsEndruweit, A. (Author), Zeng, X. (Author) and Long, A. C . (Author)
Journal TitleAdvanced Manufacturing: Polymer & Composites Science
Journal Citation1 (1), pp. 3-15
Number of Pages13
Year2014
Place of PublicationUnited Kingdom
Digital Object Identifier (DOI)https://doi.org/10.1179/2055035914Y.0000000002
Abstract

The local fiber arrangement in a bi-directional fabric formed to a complex shape was modeled considering the stochastic arrangement of filaments within yarns, which determines axial and transverse yarn permeabilities, and the stochastic arrangement of yarns in a fabric, which determines the dimensions of interyarn gap spaces locally. To mimic the uncertainty in fabric forming, drape simulation was randomized in terms of start point and yarn start orientations. From yarn permeabilities and simulated local yarn spacing distributions, local fiber volume fractions and fabric permeabilities were approximated. This allowed resin injection into a deformed fabric to be simulated for different drape scenarios with different probabilities and different degrees of fabric randomness. The results indicate that variability in fabric properties and the forming process affects flow front shapes and times for complete impregnation of the reinforcement.

Keywordsfabrics/textiles; resin transfer moulding; permeability, drape; stochastic analysis
ANZSRC Field of Research 2020401605. Functional materials
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Byline AffiliationsUniversity of Nottingham, United Kingdom
Institution of OriginUniversity of Southern Queensland
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