Analysis of Surface Tractions in Complex Fretting Fatigue Cycles Using Quadratic Programming
- 1 October 1998
- journal article
- Published by ASME International in Journal of Tribology
- Vol. 120 (4), 744-749
- https://doi.org/10.1115/1.2833774
Abstract
Real fretting fatigue cycles often involve complex loading where the fretting force may vary with a different phase or frequency to the other loads on the components. Analysis of the contact tractions in such cases can be difficult. Here we present a quadratic programming technique which enables the shear tractions to be determined in a relatively straightforward manner. A number of sample load histories are investigated and it is shown that the shear traction cycle rapidly shakes down to a steady state. Further, the results are relatively insensitive to the manner in which loading is commenced.Keywords
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