Finite-element simulation of a new two-dissipative mechanism model for bulk medium-density polyethylene - Archive ouverte HAL
Article Dans Une Revue Journal of Materials Science Année : 1996

Finite-element simulation of a new two-dissipative mechanism model for bulk medium-density polyethylene

Résumé

A two-dissipative mechanisms model, associating a Maxwell and an elastoplastic model in parallel, is discussed in order to account for the non-linear viscoelasticity of bulk medium-density polyethylene. On the one hand, the experimental determination of the constitutive equations coefficients is described from a tensile specimen machined from gas pipes. On the other hand, finite-element simulation of the stress relaxation experiment, proposed by Sweeney and Ward, is achieved, which yields a complete analysis of the dissipative mechanisms interaction during the test. The finite-element code built upon this modelling is finally used in a tentative simulation of a cyclic pressure test on a pipe specimen.
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Dates et versions

hal-00111521 , version 1 (04-03-2019)

Identifiants

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J. Kichenin, K. Dang Van, K. Boytard. Finite-element simulation of a new two-dissipative mechanism model for bulk medium-density polyethylene. Journal of Materials Science, 1996, 31, pp.1653-1661. ⟨10.1007/BF00357878⟩. ⟨hal-00111521⟩
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