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Roughness induced vibration in a beam-ball system
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
(English)Manuscript (preprint) (Other academic)
Abstract [en]

The dynamic response caused by the rolling contact of rough surfaces is studied experimentally, considering the non-stationary contact interaction of a steel ball and a steel beam with rough surfaces. This is carried out by building a test rig whereby a steel ball is allowed to roll over a steel beam with a machined surface. The dynamic response is evaluated by measuring the resulting vibrations of the beam. A previously developed theoretical model for the dynamic response caused by the rolling contact of rough surface is applied to this problem, and validated by comparing predicted and measured acceleration levels.

National Category
Vehicle Engineering
URN: urn:nbn:se:kth:diva-154616OAI: diva2:758263

QC 20150203

Available from: 2014-10-26 Created: 2014-10-26 Last updated: 2015-02-03Bibliographically approved

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Pärssinen, Mikael
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Marcus Wallenberg Laboratory MWL
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