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Theoretical Fatigue Life Prediction Using the Cumulative Damage Approach
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Sector:
Event:
Fatigue Conference
Language:
English
Abstract
A method is presented for conservatively estimating a total fatigue life through a prediction of crack initiation life using the cumulative damage approach. The procedure is based upon the use of Neuber’s Rule, a cyclic stress-strain function, and a histogram of nominal linearly elastic equivalent strain. This provides for actual cyclic stress-strain definition and crack initation life prediction at a particular point on a cyclically loaded body. Linear finite element stress analysis plays a major role in the solution. An outline for computer-aided implementation and a case history are included.
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Authors
Citation
Loverich, E., "Theoretical Fatigue Life Prediction Using the Cumulative Damage Approach," SAE Technical Paper 820692, 1982, https://doi.org/10.4271/820692.Also In
References
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