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

Luis Fernando Salazar Betancourt; Patrice Laure; Luisa Silva; Mustafa Sager

doi:10.4028/www.scientific.net/KEM.651-653.848

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 651-653Numerical Implementation of a Rheology Model for...

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

Abstract:

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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Periodical:

Key Engineering Materials (Volumes 651-653)

Pages:

848-854

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.651-653.848

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Online since:

July 2015

Authors:

Luis Fernando Salazar Betancourt*, Patrice Laure, Luisa Silva, Mustafa Sager

Keywords:

Level Set, Numerical Simulations, Reinforced-Composites, Rheology, Viscous Friction

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