The Impact of Input Parameters on the Reliability of Aircraft

This contribution intends to present procedures for Single Flight Probability of Failure calculations. Described mathematical models were the basis for creation of the original software Aircraft Structural Reliability Assessment (AStRAss), that allows comprehensive reliability calculations of the point of aircraft structure under real operating conditions. The theme of the paper is to present the sensitivity of failure rate to the input data, such as initial crack size distribution, stress intensity factor, stress, crack size and crack growth curve.

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