dc.contributor.author | Ersdal, Gerhard | |
dc.contributor.author | Atteya, Mostafa Ahmed | |
dc.contributor.author | Mikkelsen, Ove | |
dc.date.accessioned | 2024-02-06T14:06:05Z | |
dc.date.available | 2024-02-06T14:06:05Z | |
dc.date.created | 2024-01-02T16:10:46Z | |
dc.date.issued | 2023 | |
dc.identifier.citation | Ersdal, G., Atteya, M.A. & Mikkelsen, O. (2023) Statistical evaluation of tubular joint SCFs from test data and finite element analyses. IOP Conference Series: Materials Science and Engineering | en_US |
dc.identifier.issn | 1757-8981 | |
dc.identifier.uri | https://hdl.handle.net/11250/3115990 | |
dc.description.abstract | Stress concentration factors (SCF) derived from both FEA and measurements from laboratory experiments are associated with uncertainties. To understand these uncertainties, SCF values can be determined from a series of tests or possibly also several SCF-values estimated from converged finite element analysis. The challenge is to determine a recommended value for the SCF based on these tests or analysis, ensuring that the resulting SCF along with the SN-curve meets the code required 2.3% exceedance probability. In this paper, structural reliability analysis (SRA) methods are employed to model the combined uncertainty of the parameters representing the SN-curve and the measured SCFs from experimental test joints. Based on this analysis, the SCF that, when paired with the design SN-curve, provides the minimum fatigue life is established. From this analysis, a method to provide characteristic values of the SCF is suggested. Finally, FEA of the same detail, with and without modelling the weld, using both first and second-order elements are performed. From these analyses the SCF is estimated using linear extrapolation and direct extraction. Based on these findings and their comparison to the characteristic SCF, a suggested method to extract SCFs from FEA is provided. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | IOP Publishing | en_US |
dc.rights | Navngivelse 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | * |
dc.title | Statistical evaluation of tubular joint SCFs from test data and finite element analyses | en_US |
dc.type | Peer reviewed | en_US |
dc.type | Journal article | en_US |
dc.description.version | publishedVersion | en_US |
dc.subject.nsi | VDP::Teknologi: 500 | en_US |
dc.source.journal | IOP Conference Series: Materials Science and Engineering | en_US |
dc.identifier.doi | 10.1088/1757-899X/1294/1/012033 | |
dc.identifier.cristin | 2219259 | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |