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Article Dans Une Revue International Journal of Mechanical Sciences Année : 2017

On the nonlinear viscoelastic behavior of rubber-like materials: Constitutive description and identification

Résumé

The main concern of this paper is the development of a fully three dimensional viscoelastic model at finite strain to describe nonfactorizable behavior of rubber-like materials within the framework of rational thermodynamics and internal state variable approach such that the second law of thermody-namics in the form of Clausius-Duhem inequality is satisfied. The nonfactor-izable aspect of the behavior is introduced via a strain dependent relaxation times. The model is applied to describe the response of the isotropic Pip-kin multi-integral viscoelastic model and the BIIR material, several parameters involved are then identified using quasi-static and dynamic experiments thanks to a least-square minimization procedure performed with Matlab software. The proposed model is able to reproduce quasi-static experimental response and show an ability to predict the dynamic response of nonfactor-izable rubber-like materials in a wide range of strain.
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hal-02444061 , version 1 (17-01-2020)

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Adel Tayeb, Makrem Arfaoui, Abdelmalek Zine, Adel Hamdi, Jalel Benabdallah, et al.. On the nonlinear viscoelastic behavior of rubber-like materials: Constitutive description and identification. International Journal of Mechanical Sciences, 2017, 130, pp.437-447. ⟨10.1016/j.ijmecsci.2017.06.032⟩. ⟨hal-02444061⟩
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