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Parametric instability of a spinning pretwisted beam under periodic axial force

โœ Scribed by Chung-Li Liao; Bo-Wun Huang

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
952 KB
Volume
37
Category
Article
ISSN
0020-7403

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๐Ÿ“œ SIMILAR VOLUMES

Parametric resonance of a spinning pretw
Parametric resonance of a spinning pretwisted beam with time-dependent spinning rate
โœ C.-L. Liao; B.-W. Huang ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 853 KB

This study deals with the parametric instability of a cantilever pretwisted beam rotating around its longitudinal axis at a time-dependent speed which contains a steady state part and a small periodically fluctuating component. This structural element can be used to model fluted cutting tools such a

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โœ C.-C. CHEN; M.-K. YEH ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 377 KB

The parametric instability of a beam under electromagnetic excitation was investigated experimentally and analytically. In experiment an electromagnetic device, acting like a spring with alternating sti!ness, was designed to parametrically excite the beam. The frequency and the amplitude of the exci