An Application for Fatigue Damage Analysis Using Power Spectral Density from Road Durability Events

980689

02/23/1998

Event
International Congress & Exposition
Authors Abstract
Content
A method is presented to process random vibration data from a complete road durability test environment as stationary segments and then develop test profiles based on fatigue content of their power spectral densities. Background is provided on existing techniques for estimating fatigue damage in the frequency domain. A general model for stress response to acceleration is offered to address the vibration test's requirement for acceleration data and the fatigue prediction method's requirement for stress data. With these tools, the engineer can extend test correlation beyond failure modes to include retention of estimated fatigue damage. Recommendations allow for test time compression from editing and improve existing exaggeration methods.
Meta TagsDetails
DOI
https://doi.org/10.4271/980689
Pages
9
Citation
Morrill, J., Achatz, T., and Khosrovaneh, A., "An Application for Fatigue Damage Analysis Using Power Spectral Density from Road Durability Events," SAE Technical Paper 980689, 1998, https://doi.org/10.4271/980689.
Additional Details
Publisher
Published
Feb 23, 1998
Product Code
980689
Content Type
Technical Paper
Language
English