THE THEORY OF A MULTI-DEGREE-OF-FREEDOM DYNAMIC ABSORBER

It is shown that the simple dynamic absorber is a special case of a more general phenomenon surrounding the behaviour of multi-degree-of-freedom vibratory systems. In particular, the motion of a prescribed mass in a multiply connected mass-spring system may be absorbed by attaching an appropriately...

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Veröffentlicht in:	Journal of sound and vibration 1996-08, Vol.195 (4), p.607-615
Hauptverfasser:	Ram, Y.M., Elhay, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vibrations and mechanical waves
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Beschreibung
Zusammenfassung:	It is shown that the simple dynamic absorber is a special case of a more general phenomenon surrounding the behaviour of multi-degree-of-freedom vibratory systems. In particular, the motion of a prescribed mass in a multiply connected mass-spring system may be absorbed by attaching an appropriately chosen system to it. By using this result the frequency response function of a simply connected system is completely characterized. The results in this paper can be used in engineering vibrations design and may have application in system identification and control.
ISSN:	0022-460X 1095-8568
DOI:	10.1006/jsvi.1996.0449