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Communication Dans Un Congrès Année : 2015

Numerical Implementation of a Rheology Model for Fiber-Reinforced Composite and Viscous Layer Approach for Friction Study

Résumé

A transverse isotropic viscous model accounting for the anisotropy exhibited in fiber-reinforced composite is integrated in the numerical platform of the software Rem3D®. Simulations under various mechanical loading are tested for volume fiber concentrations of 3.5% and 14.7%. Equivalent stresses and equivalent strain rate deformations given by the software were compared to the ones predicted by the model, finding very good agreements. As a second point developed on this paper, we comment on the slip condition between Die/Punch tool with the composite under compression. We noticed that the variation of the viscosity value on a small layer between the Die/Punch tooland the composite affects the nature of the contact. A viscous friction is then formulated as a technique to set slip/no-slip contact condition. We found that the slip condition is recovered at lower values of the viscosity in the interface Die/Punch with the reinforced composite, whereas the no slip condition stated for higher viscosity values.
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Dates et versions

hal-01253081 , version 1 (08-01-2016)

Identifiants

Citer

Luis Fernando Salazar Betancourt, Patrice Laure, Luisa Silva, Mustafa Sager. Numerical Implementation of a Rheology Model for Fiber-Reinforced Composite and Viscous Layer Approach for Friction Study . The 18th International ESAFORM Conference on Material Forming - Material Forming ESAFORM 2015, Apr 2015, Graz, Austria. pp. 848-854 ⟨10.4028/www.scientific.net/KEM.651-653.848⟩. ⟨hal-01253081⟩
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