Experimental application of the Karhunen-Lo{grave e}ve decomposition to the study of modal interactions in a mechanical oscillator
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802 (United States)
The results of an experimental study of a magnetically-kicked flexible-beam oscillator are presented. The dynamics of the autonomous system are observed using nine strain gauges distributed along the length of the beam. The Karhunen-Lo{grave e}ve decomposition is used to study the dimensionality of the system in terms of modal interactions. Two modes which interact to produce the observed dynamics over a wide range of the system{close_quote}s bifurcation parameter are found. It is concluded that a two degree of freedom model is adequate to describe the observed steady-state phenomena. {copyright} {ital 1996 American Institute of Physics.}
- OSTI ID:
- 401097
- Report Number(s):
- CONF-950730--
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 375; ISSN 0094-243X; ISSN APCPCS
- Country of Publication:
- United States
- Language:
- English
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