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Modelling D Interlock Fabrics Using Elliptic Yarn Section with Quadrant-parametric Equations (abstract only)

Julien Brazeau-Séguin, Louis Laberge Lebel


3D interlock woven fabrics provide multiple possibilities of fiber architecture. The selected architecture directly influences the cross-section shape of the yarns. Elliptic equations are commonly used to represent the yarns in 3D woven fabrics modeling software. This conventional definition limits the architecture resemblance to the actual fabric. This study presents a generalized approach to model yarns by dividing their crosssection shape in quarters. The influence of this approach on the fabric thickness is analyzed. A specific superellipse equation is used in this study. The analyzed 3D woven fabrics are non-crimp fabrics (NCS). The results of this study allow to confirm that quadrant definition of the cross-section helps to model precisely the interaction between yarns, thus having a fabric thickness close to the reality.


3D woven, Modeling, Carbon fibre, Composites 3D reinforcement, Textile compositesText

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