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Advanced Numerical Simulation of Composite Woven Fabric Forming Processes

Abstract : Different approaches used for the simulation of woven reinforcement forming are investigated. Especially several methods based on geometrical and finite element approximations are presented. Some are based on continuous modelling, while others called discrete or mesoscopic approaches, model the components of the dry or prepregs woven fabric. Continuum semi discrete finite element made of woven unit cells under biaxial tension and in-plane shear is detailed. In continuous approaches, the difficulty lies in the necessity to take the strong specificity of the fibre directions into account. The fibres directions must be strictly followed during the large strains of the fabric. In the case of geometrical or continuum approaches (semi-discrete) the directions of the fibres are naturally followed because the fibres are modeled. Explicitly, however, modeling each component at the mesoscopic scale can lead to high numerical cost. During mechanical simulation of composite woven fabric forming, where large displacement and relative rotation of fibres are possible, severe mesh distortions occur after a few incremental loads. Hence an automatic mesh generation with remeshing capabilities is essential to carry out the finite element analysis. Some numerical simulations of forming process are proposed and compared with the experimental results in order to demonstrate the efficiency of the proposed approaches.
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Submitted on : Monday, May 4, 2020 - 3:29:17 PM
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  • HAL Id : hal-02562336, version 1



Abel Cherouat, Houman Borouchaki. Advanced Numerical Simulation of Composite Woven Fabric Forming Processes. Deborah B. Song. Resin Composites: Properties, Production and Applications, Nova Science Publish, pp.317-352, 2011. ⟨hal-02562336⟩



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