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Analytical Descriptions of Service Loading Suitable for Fatigue Analysis
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English
Abstract
Service loading histories have the same general character for an individual route and the magnitudes vary from driver to driver. Both the magnitude and character of the loading history change from route to route and a linear scaling of one loading history does not characterize the variability of usage over a wide range of operating conditions. In this paper a technique for measuring and extrapolating cumulative exceedance diagrams to quantify the distribution of service loading in a vehicle is described. Monte Carlo simulations are coupled with the local stress strain approach for fatigue to obtain distributions of service loading. Fatigue life estimates based on the original loading histories are compared to those obtained from statistical descriptions of exceedance diagrams.
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Authors
Citation
Socie, D. and Park, K., "Analytical Descriptions of Service Loading Suitable for Fatigue Analysis," SAE Technical Paper 971535, 1997, https://doi.org/10.4271/971535.Also In
References
- SAE Fatigue Design Handbook 1988
- Dressier, K. Grunder B. Hack M. Kottgen V.B. “Extrapolation of Rainflow Matrices” SAE Paper 960569 1996
- Socie, D. F. Downing S. D. “Statistical Strain-Life Fatigue Analysis” SAE Paper 960566 1996