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

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dc.citation.articleNumber051114en_US
dc.citation.issueNumber5en_US
dc.citation.journalTitleJournal of Vibration and Acousticsen_US
dc.citation.volumeNumber142en_US
dc.contributor.authorBrøns, Marieen_US
dc.contributor.authorKasper, Thomas A.en_US
dc.contributor.authorChauda, Gauraven_US
dc.contributor.authorKlaassen, Steven W.B.en_US
dc.contributor.authorSchwingshackl, Christoph W.en_US
dc.contributor.authorBrake, Matthew R.W.en_US
dc.date.accessioned2020-12-11T20:22:01Zen_US
dc.date.available2020-12-11T20:22:01Zen_US
dc.date.issued2020en_US
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.en_US
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.en_US
dc.identifier.doihttps://doi.org/10.1115/1.4047699en_US
dc.identifier.urihttps://hdl.handle.net/1911/109674en_US
dc.language.isoengen_US
dc.publisherASMEen_US
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by ASME.en_US
dc.subject.keyworddynamicsen_US
dc.subject.keywordnonlinear vibrationen_US
dc.titleExperimental Investigation of Local Dynamics in a Bolted Lap Joint Using Digital Image Correlationen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpost-printen_US
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