Experimental Investigation of Local Dynamics in a Bolted Lap Joint Using Digital Image Correlation

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dc.citation.articleNumber051114
dc.citation.issueNumber5
dc.citation.journalTitleJournal of Vibration and Acoustics
dc.citation.volumeNumber142
dc.contributor.authorBrøns, Marie
dc.contributor.authorKasper, Thomas A.
dc.contributor.authorChauda, Gaurav
dc.contributor.authorKlaassen, Steven W.B.
dc.contributor.authorSchwingshackl, Christoph W.
dc.contributor.authorBrake, Matthew R.W.
dc.date.accessioned2020-12-11T20:22:01Z
dc.date.available2020-12-11T20:22:01Z
dc.date.issued2020
dc.description.abstractThe dynamics of structures with joints commonly show nonlinearity in their responses. This nonlinear behavior can arise from the local dynamics of the contact interfaces. The nonlinear mechanisms at an interface are complicated to study due to the lack of observability within the contact interface itself. In this work, digital image correlation (DIC) is used in combination with a high-speed camera to observe the local motion at the edge of the interface of a bolted lap joint. Results demonstrate that it is possible to use this technique to monitor the localized motion of an interface successfully. It is observed that the two beam parts of the studied lap joint separate when undergoing bending vibrations and that there is a clear asymmetry in the response of the left and the right end of the interface. Profilometry indicates that the asymmetry in the response is due to the mesoscale topography of the contact interface, highlighting the importance of accounting for surface features in order to model the nonlinearities of a contact interface accurately.
dc.identifier.citationBrøns, Marie, Kasper, Thomas A., Chauda, Gaurav, et al.. "Experimental Investigation of Local Dynamics in a Bolted Lap Joint Using Digital Image Correlation." <i>Journal of Vibration and Acoustics,</i> 142, no. 5 (2020) ASME: https://doi.org/10.1115/1.4047699.
dc.identifier.doihttps://doi.org/10.1115/1.4047699
dc.identifier.urihttps://hdl.handle.net/1911/109674
dc.language.isoeng
dc.publisherASME
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by ASME.
dc.subject.keyworddynamics
dc.subject.keywordnonlinear vibration
dc.titleExperimental Investigation of Local Dynamics in a Bolted Lap Joint Using Digital Image Correlation
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpost-print
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