Fatigue reliability of cars under road-induced cyclostationary excitation
by Efstratios Nikolaidis, Honggang Wang, Akhilesh Jha, Dan M. Ghiocel
International Journal of Materials and Product Technology (IJMPT), Vol. 16, No. 4/5, 2001

Abstract: This paper has two goals: (a) describe a method for modelling special types of nonstationary loads on cars, called cyclostationary loads, and (b) demonstrate the importance of this method. Cyclostationary excitations are encountered in many real-life problems involving systems subjected to periodic, random loads. Using a two-degree-of-freedom model of a car travelling on a road made of slabs, the paper demonstrates that the proposed model estimates the statistics of the vehicle response and the fatigue life of its components more accurately than a traditional stationary model.

Online publication date: Tue, 01-Jul-2003

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