Approximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levels

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dc.contributor.authorSeitl, Stanislavcs
dc.contributor.authorMiarka, Petrcs
dc.contributor.authorRůžička, Vladimírcs
dc.contributor.authorMalíková, Luciecs
dc.contributor.authorCruces, Alejandrocs
dc.contributor.authorLopéz-Crespo, Pablocs
dc.coverage.issue1cs
dc.coverage.volume49cs
dc.date.issued2019-07-01cs
dc.description.abstractA study on the accuracy of the approximation of the displacement field around of crack tip in a sample made from bridge steel (S355) is main objective of contribution. Linear elastic fracture mechanics (LEFM) theory in framework of multi-parameter formulation, i.e. postulated by Williams is used to determine of coefficients of Williams power series terms. Over deterministic method was used to calculate the terms based on the least squares regression technique, applied on data from numerical simulation and experiment on S355 steel grades. Comparison between the stress fields (by principal stress s1 and von Mises stress sHMH) obtain from experimental measurement DIC, Hybrid method and obtain from reconstruction by using various number of Williams power terms are quantified in order to get key information around the crack tip region on bridge steel specimens.en
dc.formattextcs
dc.format.extent97-106cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationFrattura ed Integrita Strutturale. 2019, vol. 49, issue 1, p. 97-106.en
dc.identifier.doi10.3221/IGF-ESIS.49.10cs
dc.identifier.issn1971-8993cs
dc.identifier.orcid0000-0002-4953-4324cs
dc.identifier.orcid0000-0002-4103-8617cs
dc.identifier.orcid0000-0001-5868-5717cs
dc.identifier.other160732cs
dc.identifier.researcheridG-8592-2014cs
dc.identifier.researcheridY-5612-2018cs
dc.identifier.researcheridB-6690-2014cs
dc.identifier.scopus14059029400cs
dc.identifier.scopus57195836397cs
dc.identifier.scopus57364369600cs
dc.identifier.urihttp://hdl.handle.net/11012/200444
dc.language.isoencs
dc.publisherGruppo Italiano Fratturacs
dc.relation.ispartofFrattura ed Integrita Strutturalecs
dc.relation.urihttps://www.fracturae.com/index.php/fis/article/view/2522cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1971-8993/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectDisplacementen
dc.subjectCrack-tip stress fieldsen
dc.subjectDICen
dc.subjectHigh order termsen
dc.subjectMulti-parameter approximation accuracyen
dc.subjectWilliams power series.en
dc.titleApproximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levelsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-160732en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:45:27en
sync.item.modts2025.01.17 16:49:06en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav stavební mechanikycs
thesis.grantorVysoké učení technické v Brně. . Ústav fyziky materiálů AV ČRcs
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