Mesoscopic approaches for understanding the mechanical behaviour of reinforcements in composites
E. Vidal-Sallé, INSA Lyon, France
G. Hivet, Polytech Orléans, France
Abstract:
Composite reinforcements can be modelled at various scales. The mesoscopic one is an intermediate between the macroscopic scale for which the whole woven fabric is considered, and the microscopic one in which each fibre is taken into account. The mesoscopic scale considers the woven fabric as an assembly of yarns. Various approaches are used depending on the considered characteristic length of the yarn. Dedicated constitutive equations have to be built which capture correctly the specific behaviour due to the underlying microstructure. Corresponding behaviour ...
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