A novel class of thermodynamically consistent isotropic hardening rules for some damage models at finite strains | Zendy

Fell Christian | Zendy; Eidel Bernhard | Zendy

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A novel class of thermodynamically consistent isotropic hardening rules for some damage models at finite strains

Author(s) -

Fell Christian,

Eidel Bernhard

Publication year - 2007

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.200700406

Subject(s) - isotropy , hardening (computing) , plasticity , class (philosophy) , mathematics , materials science , statistical physics , thermodynamics , computer science , physics , artificial intelligence , composite material , layer (electronics) , quantum mechanics

This paper proposes isotropic hardening rules for plasticity damage models which satisfy the 2nd law of thermodynamics. Here, the Gurson ‐model modified by Tvergaard/Needleman is used as a prototype model for finite strains to discuss main properties of the novel hardening rules. Additionally it is shown that thermodynamically consistent rules are suitable to fit experimental data. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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