✦ LIBER ✦

VIBRATION AND STABILITY OF A CANTILEVER COLUMN SUBJECT TO A FOLLOWER FORCE PASSING THROUGH A FIXED POINT

✍ Scribed by L. Tomski; J. Przybylski; M. Gołebiowska-Rozanow; J. Szmidla

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 262 KB
Volume: 214
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.1998.1528

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✦ Synopsis

The paper describes the stability and natural vibration of a column loaded by a force passing through a fixed point. It is proved that the system is conservative and its loss of stability occurs via divergence. On the other hand a change in modes occurring along the fundamental eigencurve, which modifies its slope from positive to negative with the increasing load, is found theoretically and confirmed by the modal analysis. For that reason the system is proposed to be called the divergence-pseudo-flutter system. Experimental results concerning the natural vibration frequency agreed well with the numerical ones.

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The authors of reference [1] are to be commended for implementing this excellent and useful survey on the dynamics of simple, #exible structural elements subjected to non-conservative forces.