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This study presents a methodology to predict the fatigue failure of materials due to cyclic loading within the realm of peridynamic theory. This approach incorporates material failure intrinsically without the need for external crack growth criteria and post-processing. Failure occurs when and where it is energetically favorable. Fatigue life prediction is a natural extension of crack initiation and...
The coupler knuckle is analyzed for modularized stress using ANSYS software in this paper. The maximum stress appears on the corner of coupler knuckle through internal solving system. Then the domestic and USA coupler knuckle materialspsila performance are compared by experiments with the system of GPL-200. The experiment results show that the domestic material has lower fatigue performance and lower...
The simulated load spectrum is constituted for the automobile muffler structure using probabilistic random process with the measured load data. By applying obtained spectrum load and evaluating residual strength degradation and failure probability, its fatigue life is assessed on the basis of two parameter Weibull distribution. To determine the required strength degradation model parameters, experimental...
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