Extended concept of representative directions to describe inelastic behaviour of electrospun polymers

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Abstract

The concept of representative directions allows one to generalize one-dimensional uniaxial material models to more general constitutive equations, suitable for arbitrary multi-axial loading scenarios. The procedure preserves the thermodynamic consistency and the resulting material model satisfies the principle of objectivity. In the current paper, the concept is modified by the introduction of new kinematics. Some features of the resulting constitutive equations as well as the applicability of the extended concept to real materials are discussed. For demonstration purposes, the plastic behaviour of an electrospun polymer is modelled under large strain non-monotonic loading.

Original languageEnglish
Title of host publication15th International Conference on Computational Plasticity. Fundamentals and Applications, COMPLAS 2019
EditorsEugenio Onate, D. Roger J. Owen, Djordje Peric, Michele Chiumenti, Eduardo de Souza Neto
PublisherInternational Center for Numerical Methods in Engineering
Pages273-280
Number of pages8
ISBN (Electronic)9788494919473
Publication statusPublished - 2019
Event15th International Conference on Computational Plasticity. Fundamentals and Applications, COMPLAS 2019 - Barcelona, Spain
Duration: 3 Sep 20195 Sep 2019

Publication series

Name15th International Conference on Computational Plasticity. Fundamentals and Applications, COMPLAS 2019

Conference

Conference15th International Conference on Computational Plasticity. Fundamentals and Applications, COMPLAS 2019
CountrySpain
CityBarcelona
Period03.09.201905.09.2019

Keywords

  • Electrospun Polymers
  • Large Strain
  • Plasticity
  • Representative Directions

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