A mesoscopic approach for draping simulation of preforms manufactured by direct fibre placement
2017
The draping of preforms made by automated fibre placement is a suitable way to generate complex, three-dimensional preforms. The absence of weaving or sewing yarns leads to a high tendency towards defects, such as gaps. To predict those defects a detailed simulation model of the material is necessary. This work deals with a method to describe the inter-ply friction of preforms that consists of carbon fibre yarns joined by a thermoplastic binder. Therefore, a friction model which is customised to the partial presence of molten binder is proposed. This model is used in a mesoscopic draping simulation and is validated by draping experiments.
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