PDFAbstract: These article is devout to the fatigue crack growth and it’s simulation. The special problem of planar stress is discussed. The effectiveness of three-dimensional and two-dimensional crack is discussed. Both models are compared. In the article is shown that the simulation based only on the stress intensity factor K is much less accurate than the model based on combination of stress intensity factor K and stress triaxiality T. The stress triaxiality T can describe local influence of constrains and so improve crack model.
Keywords: Fatigue crack, stress intensity factor K, triaxiality T, constrain, plane stress, plane deformation
Cite this paper
Stepan Major, Michal Ruzicka. (2017) Model of Fatigue Crack and Effect of Triaxiality. International Journal of Theoretical and Applied Mechanics, 2 , 61-65
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