Computational fatigue assessment of mooring chains under tension loading

Imanol Martinez Perez, Andrei Constantinescu, Philippe Bastid, Yan-Hui Zhang, Vengatesan Venugopal

Research output: Contribution to journalArticlepeer-review


This paper presents a computational fatigue assessment method of mooring chains under tensile loading, it is composed of a mechanical analysis followed by a fatigue analysis. The mechanical analysis is performed in two steps: residual stress prediction and service loading. From this analysis, the shakedown cycle is extracted at the critical points, ie: the asymptotically stabilized stress-strain cycles. As the mooring chain under service loading is under elastic shakedown, the Dang Van fatigue criterion is applied for the fatigue analysis. The accuracy of the proposed fatigue assessment method is proved by comparing with the experimental results from full-scale fatigue testing of mooring chain in seawater. The numerical results match both the experimental observations with respect to the localization of the damage zone and the lifetime.
Original languageEnglish
Article number104043
JournalEngineering Failure Analysis
Issue number104043
Publication statusPublished - Dec 2019


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