Nonlinear fatigue damage accumulation under random loading
Journal Article
·
· Journal of Pressure Vessel Technology
- Zhejiang Univ., Hangzhou (China). Dept. of Mechanics
The analytical expressions for the probability densities of the cumulative fatigue damage and fatigue life and for the reliability function are obtained for a mechanical or structural component subject to stationary random stress process on the basis of a stochastic theory of fatigue damage accumulation proposed by the first author and his co-worker and the Morrow`s nonlinear damage rule. The comparison between the results from Morrow`s and Palmgren-Miner`s damage rules for the case when the stress is a narrow-band stationary Gaussian process with zero mean is made and some important conclusions are drawn.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 231028
- Journal Information:
- Journal of Pressure Vessel Technology, Journal Name: Journal of Pressure Vessel Technology Journal Issue: 2 Vol. 118; ISSN JPVTAS; ISSN 0094-9930
- Country of Publication:
- United States
- Language:
- English
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