Research Article
Jul 1980
Fatigue under Wide Band Random Stresses
Authors: Paul H. Wirsching, AM.ASCE, and Mark C. LightAuthor Affiliations
Publication: Journal of the Structural Division
Volume 106, Issue 7
Abstract
A method for predicting high cycle fatigue under stationary gaussian wide band stress processes is developed. The rainflow cycle counting method is used as the basis for predicting fatigue damage. Stress simulations from various spectral density models were analyzed using the rainflow method. Statistical analysis of these results provided a closed form expression for fatigue damage. A principal application of the method is to predict fatigue in the welded joints of offshore structures, an example of which is provided. A long term nonstationary sea state is modelled as a sequence of stationary sea states. Thus the example also illustrates how fatigue under certain types of nonstationary stress processes can be analyzed.
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Published In
Journal of the Structural Division
Volume 106 • Issue 7 • July 1980
Pages: 1593 - 1607
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Jul 1980
Published online: Feb 1, 2021
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Paul H. Wirsching, AM.ASCE
Assoc. Prof., Aerospace and Mech. Engrg., Univ. of Arizona, Tucson, Ariz.
Mark C. Light
Grad. Asst., Aerospace and Mech. Engrg., Univ. of Arizona, Tucson, Ariz.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.