Finite element simulation of draping with non-crimp fabrics


Thije, R.H.W. ten and Akkerman, R. (2005) Finite element simulation of draping with non-crimp fabrics. In: Fifteenth International Conference on Composite Materials, ICCM-15, 27 June-1 July 2005, Durban, South-Africa.

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Abstract:The draping process of non-crimp fabrics (NCF) on a doubly curved mould determines the fibre distribution and hence the processing and performance of the NCF product. A composite Finite Element (FE) model is developed to simulate the draping process of NCFs on arbitrary geometries. Tool-part interaction is taken into account. Problem regions with possible fibre buckling can be indicated and the fibre distribution in the final NCF is predicted. The model contains a novel modelling approach to simulate the slip of the individual fibre layers. Additional layers and degrees of freedom were added to a membrane element to simulate the slipping layers with one element through the thickness. This enables efficient FE simulations of the draping process. Several experiments were performed: measurement of the thickness change during shear deformation, fibre pull-out experiments and a drape experiment. The latter is compared with FE simulations.
Item Type:Conference or Workshop Item
Engineering Technology (CTW)
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