Dynamic stability of weakly damped oscillators with elastic impacts and wear

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Dynamic stability of weakly damped oscillators with elastic impacts and wear

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dc.contributor.author Knudsen, Jakob en_US
dc.contributor.author Massih, Ali R
dc.date.accessioned 2004-10-01T07:38:51Z
dc.date.available 2004-10-01T07:38:51Z
dc.date.issued 2003 en_US
dc.identifier.issn 1095-8568 en_US
dc.identifier.uri http://hdl.handle.net/2043/505
dc.description.abstract The dynamics of non-linear oscillators comprising of a single-degree-of- freedom system and beams with elastic two-sided amplitude constraints subject to harmonic loads is analyzed. The beams are clamped at one end, and constrained against unilateral contact sites near the other end. The structures are modelled by a Bernoulli-type beam supported by springs using the finite element method. Rayleigh damping is assumed. Symmetric and elastic double-impact motions, both harmonic and sub-harmonic, are studied by way of a Poincaré mapping that relates the states at subsequent impacts. Stability and bifurcation analyses are performed for these motions, and domains of instability are delineated. Impact work rate, which is the rate of energy dissipation to the impacting surfaces, is evaluated and discussed. In addition, an experiment conducted by Moon and Shaw on the vibration of a cantilevered beam with one-sided amplitude constraining stop is modelled. Bifurcation observed in the experiment could be captured. en_US
dc.format.extent 30
dc.language.iso eng en_US
dc.publisher Academic Press en_US
dc.subject.classification Technology en_US
dc.title Dynamic stability of weakly damped oscillators with elastic impacts and wear en_US
dc.type Article, peer reviewed scientific en
dc.contributor.department Malmö University. School of Technology en
dc.identifier.doi 10.1016/S0022-460X(02)01104-5
dc.subject.srsc Research Subject Categories::TECHNOLOGY
dc.relation.ispartofpublication Journal of Sound and Vibration;1 en_US
dc.relation.ispartofpublicationvolume 263 en_US
dc.format.ePage 204
dc.format.sPage 175
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