Longitudinal compression and Poisson ratio of fiber yarns in meso-scale finite element modeling of composite reinforcements

作者: D. Wang , N. Naouar , E. Vidal-Salle , P. Boisse

DOI: 10.1016/J.COMPOSITESB.2017.12.042

关键词:

摘要: Meso-scale finite element modeling is a powerful tool to analyze the deformation of textile composite reinforcements. At the meso-scale, the yarns of the reinforcement are considered to be solids made of a continuous material in contact with their neighbors. These yarns are generally under tension, but some loadings of the reinforcement lead to a longitudinal compression state. The yarns, made up of a large number of fibers, present a specific behavior when under longitudinal compression. Local buckling of the fibers causes the …

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