On the Kachanov-Rabotnov continuum damage model

Harm Askes, Juha Hartikainen, Kari Kolari, Reijo Kouhia, Timo Saksala, Jani Vilppo

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In this paper two partially complementary formulations of the simple phenomenological Kachanov-Rabotnov continuum damage constitutive model are presented. The models are based on a consistent thermodynamic formulation using proper expressions for the Helmholtz free energy or its complementary form of the dissipation potential. Basic features of the models are discussed and the behaviour in tensile test and creep problems is demonstrated.

Original languageEnglish
Pages (from-to)125-144
Number of pages20
JournalRakenteiden Mekaniikka
Issue number2
Publication statusPublished - 30 Mar 2020
MoE publication typeA1 Journal article-refereed


  • Continuum damage mechanics
  • Dispersion analysis
  • Dissipation potential
  • Finite element analysis
  • Free energy


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