A one-parameter nonlinear fatigue damage accumulation model

Published on May 1, 2017in International Journal of Fatigue4.369
· DOI :10.1016/J.IJFATIGUE.2017.01.039
Kristen Rege5
Estimated H-index: 5
(University of Stavanger),
Dimitrios G. Pavlou9
Estimated H-index: 9
(University of Stavanger)
Sources
Abstract
Abstract A nonlinear model for fatigue damage accumulation under variable amplitude loading is presented. The known assumption that the isodamage curves are converging at the knee point of the S-N curve of the material, has been adopted. The proposed model does only require one parameter, in addition to the S-N curve of the material, in order to calculate the remaining fatigue life. A single value for the parameter has been found to give satisfying agreement with experimental data for four arbitrary selected steels, indicating a general trend.
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