Modélisation du comportement à la fatigue et à la fissuration d’un boggie de train.
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The study of the fatigue of mechanical systems is of great importance to reserve their safety. The present research work is dedicated to the study of the phenomenon of fatigue damage of the bogie of the railcar, following the premature appearance of cracks in the axis of the axle. The Ansys software is used for modeling the digital model which is based on the finite element method. The predictive model obtained made it possible to highlight, under different cyclic loadings, the factors influencing the propagation of cracks and their impacts on the lifetime of the system.