The Significance of Dynamic Response in the Estimation of Fatigue Life

[+] Author and Article Information
J. K. Vandiver

Massachusetts Institute of Technology, Cambridge, Mass. 02139

J. Energy Resour. Technol 104(4), 369-372 (Dec 01, 1982) (4 pages) doi:10.1115/1.3230430 History: Received July 23, 1981; Revised January 11, 1982; Online October 22, 2009


The fatigue life of offshore structures is investigated under the conditions that dynamic response to waves is assumed to play a significant role. Under these conditions, the study emphasizes the significance of the placement of natural frequencies and the amount of modal damping. The results may be used to assess the confidence bounds on fatigue life estimates that result from uncertainties in design stage estimates of structural natural frequencies, and damping.

Copyright © 1982 by ASME
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