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Communication Dans Un Congrès Année : 2000

Overall behaviour of a truss of fibers linked by viscous joints

Steven Le Corre
Denis Caillerie
Denis Favier
Laurent Orgéas

Résumé

A theoretical method is proposed in order to analyse the behaviour during forming of short fibre reinforced composites. The method applies to high concentrations of fibres where the behaviour is assumed to be dominated by fibre-fibre interactions. Fibres are looked as an assembly of rigid bars linked by viscous joints. The equivalent continuum constitutive relationship is obtained by assuming a periodic spatial repartition of the fibres and applying the method of discrete homogenisation. Theoretical developments lead to two models, a Cosserat continuous medium, or a usual Cauchy one. Lastly a numerical application to planar composites is presented.
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Dates et versions

hal-01008641 , version 1 (22-10-2017)

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Steven Le Corre, Denis Caillerie, Denis Favier, Laurent Orgéas. Overall behaviour of a truss of fibers linked by viscous joints. Composites for the millenium (FRC2000), 2000, Newcastle-upon-Tyne, United Kingdom. pp.303 - 310, ⟨10.1533/9780857093134.303⟩. ⟨hal-01008641⟩

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