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ERIC Number: EJ996091
Record Type: Journal
Publication Date: 2012-Sep
Pages: 9
Abstractor: As Provided
Reference Count: 13
ISBN: N/A
ISSN: ISSN-0143-0807
Forced Vibrations of a Cantilever Beam
Repetto, C. E.; Roatta, A.; Welti, R. J.
European Journal of Physics, v33 n5 p1187-1195 Sep 2012
The theoretical and experimental solutions for vibrations of a vertical-oriented, prismatic, thin cantilever beam are studied. The beam orientation is "downwards", i.e. the clamped end is above the free end, and it is subjected to a transverse movement at a selected frequency. Both the behaviour of the device driver and the beam's weak-damping resonance response are compared for the case of an elastic beam made from PVC plastic excited over a frequency range from 1 to 30 Hz. The current analysis predicts the presence of "pseudo-nodes" in the normal modes of oscillation. It is important to note that our results were obtained using very simple equipment, present in the teaching laboratory. (Contains 1 table and 7 figures.)
Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail: info@ioppubusa.com; Web site: http://www.iop.org/EJ/journal/EJP
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Secondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A