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- Title
A shakedown model for high-cycle fatigue.
- Authors
CRUZ, I.; ZOUAIN, N.
- Abstract
ABSTRACT The phenomenological description of the elastic accommodation occurring in a representative volume is implemented in a high-cycle fatigue criterion. A model for fatigue is directly formulated in the usual continuum mechanics elastic formulation; there, internal variables are introduced to represent the changes in the mesoscopic level of the material. These internal variables do not interact with the macroscopic elastic analysis. The condition for infinite life is the existence of internal variables, independent of time, and rendering admissible stress variations with respect to a fatigue admissibility criterion. The model is applied to experimental data and compared to other criteria.
- Subjects
CONTINUUM mechanics; MESOSCOPIC phenomena (Physics)
- Publication
Fatigue & Fracture of Engineering Materials & Structures, 2003, Vol 26, Issue 2, p123
- ISSN
8756-758X
- Publication type
Article
- DOI
10.1046/j.1460-2695.2003.00631.x