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Communication Dans Un Congrès Année : 2008

A finite element approach of the behaviour of entangled and woven materials at microscopic scale

Résumé

The complexity of the nonlinear behaviour of entangled or woven materials is mainly due to contact-friction interactions taking place between fibers of such materials. The presentation will detail the approach followed by Multifil software, which has been specially developped to simulate the behaviour of assemblies of fibers undergoing large transformations. Based on an implicit solver, the software focuses on the detection and taking into account of contact-friction interactions between fibers. After showing some numerical results on generalized entangled media and woven fabrics, some points about the way to tackle the homogeneization problem will be addressed. As the simulation at microscopic scale offers both a description of stresses within fibers and interaction forces between them, we will consider the question of how to define average strain and stress measures in order to try to identify an equivalent behaviour at the upper scale.
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Dates et versions

hal-00439317 , version 1 (07-12-2009)

Identifiants

  • HAL Id : hal-00439317 , version 1

Citer

Damien Durville. A finite element approach of the behaviour of entangled and woven materials at microscopic scale. Mechanics of microstructured solids: cellular materials, fibre reinforced solids and soft tissues, Mar 2008, Turin, Italy. ⟨hal-00439317⟩
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