Computational fatigue assessment of mooring chains under tension loading
| Autor: | Yan-Hui Zhang, Vengatesan Venugopal, Imanol Martinez Perez, Philippe Bastid, Andrei Constantinescu |
|---|---|
| Přispěvatelé: | Laboratoire de mécanique des solides (LMS), École polytechnique (X)-MINES ParisTech - École nationale supérieure des mines de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2019 |
| Předmět: |
Materials science
Tension (physics) business.industry General Engineering Fatigue testing 020101 civil engineering 02 engineering and technology Structural engineering [PHYS.MECA.MSMECA]Physics [physics]/Mechanics [physics]/Materials and structures in mechanics [physics.class-ph] Mooring 0201 civil engineering Shakedown 020303 mechanical engineering & transports 0203 mechanical engineering Residual stress Damage zone Ultimate tensile strength Assessment methods General Materials Science business |
| Zdroj: | Engineering Failure Analysis Engineering Failure Analysis, Elsevier, 2019, 106, ⟨10.1016/j.engfailanal.2019.06.073⟩ |
| ISSN: | 1350-6307 |
| DOI: | 10.1016/j.engfailanal.2019.06.073 |
| Popis: | International audience; 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. |
| Databáze: | OpenAIRE |
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