Models of nonlinear kinematic hardening based on different versions of rate-independent maxwell fluid

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Abstract

Different models of finite strain plasticity with a nonlinear kinematic hardening are analyzed in a systematic way. All the models are based on a certain formulation of a rate-independent Maxwell fluid, which is used to render the evolution of backstresses. The properties of each material model are determined by the underlying formulation of the Maxwell fluid. The analyzed approaches include the multiplicative hyperelasto-plasticity, additive hypoelasto-plasticity and the use of generalized strain measures. The models are compared with respect to different classification criteria, such as the objectivity, thermodynamic consistency, pure volumetric-isochoric split, shear stress oscillation, exact integrability, and w-invariance.

Original languageEnglish
Title of host publicationProceedings of the 14th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2017
PublisherInternational Center for Numerical Methods in Engineering
Pages385-396
Number of pages12
Volume2017-January
ISBN (Electronic)9788494690969
Publication statusPublished - 1 Jan 2017
Event14th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2017 - Barcelona, Spain
Duration: 5 Sep 20177 Sep 2017

Conference

Conference14th International Conference on Computational Plasticity - Fundamentals and Applications, COMPLAS 2017
CountrySpain
CityBarcelona
Period05.09.201707.09.2017

Keywords

  • Classification
  • Finite strain plasticity
  • Kinematic hardening
  • Rate-independent maxwell
  • W-invariance

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