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Polymer constitutive modelling: Formulation and computational aspects

Mirkhalaf's picture
  • This work formulates an elasto-viscoplastic model at finite strains.
  • A particularly efficient numerical integration algorithm is presented.
  • A closed-form analytical expression is derived for the consistent tangent operator.
  • The non-linear behaviour of polymers is captured in the numerical examples.
  • Quadratic rate of convergence is successfully achieved.

doi:10.1016/j.compstruc.2016.01.002

 

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