Hybrid nonlinear constitutive model: Comparisons with multiple step data for a polyurethane rubber

Vincent Rouiller, Gregory B. McKenna

Research output: Contribution to conferencePaper

4 Scopus citations

Abstract

A nonlinear constitutive equation based on the model of Bernstein, Kearsley and Zapas (BKZ) is developed by noting that the BKZ model has a structure that looks like a time-dependent finite elasticity. By postulating, as did Valanis and Landel (VL) for rubber, that the strain potential function can be represented by a separable function in the stretches we develop a hybrid VL-BKZ viscoelastic model. Results of model predictions for multiple step deformation and stress histories are compared with experiments using a polyurethane elastomer.

Original languageEnglish
Pages2138-2143
Number of pages6
StatePublished - 1998
EventProceedings of the 1998 56th Annual Technical Conference, ANTEC. Part 1 (of 3) - Atlanta, GA, USA
Duration: Apr 26 1998Apr 30 1998

Conference

ConferenceProceedings of the 1998 56th Annual Technical Conference, ANTEC. Part 1 (of 3)
CityAtlanta, GA, USA
Period04/26/9804/30/98

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    Rouiller, V., & McKenna, G. B. (1998). Hybrid nonlinear constitutive model: Comparisons with multiple step data for a polyurethane rubber. 2138-2143. Paper presented at Proceedings of the 1998 56th Annual Technical Conference, ANTEC. Part 1 (of 3), Atlanta, GA, USA, .