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A thermodynamically consistent CZM for low-cycle fatigue analysis

  • Autori: Parrinello, F.; Benedetti, I.; Borino, G.
  • Anno di pubblicazione: 2018
  • Tipologia: Proceedings (TIPOLOGIA NON ATTIVA) (Traduzione in volume)
  • OA Link:


A cohesive zone model for low-cycle fatigue analysis is developed in a consistent thermodynamic framework of elastic-plastic-damage mechanics with internal variable. A specific fatigue activation condition allows to model the material degradation related to the elastic-plastic cyclic loading conditions, with tractions levels lower than the damage activation condition. A moving endurance surface, in the classic framework of kinematic hardening, enables a pure elastic behavior without any fatigue degradation for low levels loading conditions.