Observations of variability and repeatability in jointed structures

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dc.citation.firstpage282en_US
dc.citation.journalTitleMechanical Systems and Signal Processingen_US
dc.citation.lastpage307en_US
dc.citation.volumeNumber129en_US
dc.contributor.authorBrake, M.R.W.en_US
dc.contributor.authorSchwingshackl, C.W.en_US
dc.contributor.authorReuß, P.en_US
dc.date.accessioned2019-08-12T14:49:59Zen_US
dc.date.available2019-08-12T14:49:59Zen_US
dc.date.issued2019en_US
dc.description.abstractThe experimental study of joint mechanics has been limited in its effectiveness due to the high uncertainty associated with assemblies of sub-components. In particular, two categories of uncertainty are variability (the uncertainty in measurements of different, nominally identical parts) and repeatability (the uncertainty in measurements of the same set of parts). As a result, the uncertainty measured is often greater than the nonlinear characteristics being studied (such as amplitude dependent frequency and damping), which makes meaningful experimentation challenging. This paper analyzes the contributors to uncertainty in the form of variability and repeatability in order to make recommendations for methods to reduce the uncertainty and to redesign a joint to improve its dynamics. Experiments are summarized that investigate the role of experimental setup, interface roughness, settling versus wear, interface geometry (both meso-scale and macro-scale), and the structure surrounding the joint. From the results of these studies, recommendations for the measurement of nonlinearities in jointed structures are made.en_US
dc.identifier.citationBrake, M.R.W., Schwingshackl, C.W. and Reuß, P.. "Observations of variability and repeatability in jointed structures." <i>Mechanical Systems and Signal Processing,</i> 129, (2019) Elsevier: 282-307. https://doi.org/10.1016/j.ymssp.2019.04.020.en_US
dc.identifier.doihttps://doi.org/10.1016/j.ymssp.2019.04.020en_US
dc.identifier.urihttps://hdl.handle.net/1911/106207en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Elsevier.en_US
dc.subject.keywordJoint mechanicsen_US
dc.subject.keywordNonlinear dynamicsen_US
dc.subject.keywordExperimental variabilityen_US
dc.subject.keywordExperimental repeatabilityen_US
dc.subject.keywordContact mechanicsen_US
dc.subject.keywordTribomechadynamicsen_US
dc.titleObservations of variability and repeatability in jointed structuresen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpost-printen_US
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