Modelling shape distortions in composite products


Lamers, E.A.D. and Wijskamp, S. and Akkerman, R. (2004) Modelling shape distortions in composite products. In: Seventh ESAFORM Conference on Material Forming, 28-30 april 2004 , Trondheim, Norway.

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Abstract:Shape distortions often occur after the forming of woven fabric reinforced composite products. The thermomechanical behaviour of the product must be known in order to predict these product distortions. A two-step strategy is proposed to model the thermomechanical behaviour of a product. First, the fibre reorientation during processing is predicted, including the process induced fibre stresses. Secondly, a Classical Laminate Theory based model accounts for the locally changed thermomechanical properties of the composite. The strategy is demonstrated with a hemispherical product.
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Engineering Technology (CTW)
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