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Viscoelastic-viscoplastic model for short-fiber-reinforced composites with complex fibre orientation

Abstract : In this article, strain-rate sensitivity of short-fiber reinforced composites (SFRC) with complex fiber orientation is modeled. The principal aim is to allow an easier implementation than that of classical techniques, in case of complex reinforcement characteristics and nonlinear matrix behavior. The interest for such an approach is particularly acute for high-strain-rate simulations using explicit formulation. The composite behavior is computed based on an additive decomposition of the state potential between linear elastic short fiber media and a viscoelastic–viscoplastic matrix medium. Finite element simulations demonstrate model’s ability to reproduce behavior trends of SFRC with distributed fiber orientations, for a wide strain-rate range.
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https://hal-uphf.archives-ouvertes.fr/hal-03629476
Contributor : Frédéric Pruvost Connect in order to contact the contributor
Submitted on : Monday, April 4, 2022 - 1:37:05 PM
Last modification on : Thursday, September 1, 2022 - 9:36:07 AM

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Mariem Nciri, Delphine Notta-Cuvier, Franck Lauro, Fahmi Chaari, Yamen Maalej, et al.. Viscoelastic-viscoplastic model for short-fiber-reinforced composites with complex fibre orientation. Mechanics of Advanced Materials and Structures, Taylor & Francis, 2019, 26 (10), pp.842-853. ⟨10.1080/15376494.2018.1430264⟩. ⟨hal-03629476⟩

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