✦ LIBER ✦

Vibrational power transmission in a finite multi-supported beam

✍ Scribed by C.J. Wu; R.G. White

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 696 KB
Volume: 181
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.1995.0128

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✦ Synopsis

An approach based on flexural wave motion has been developed to investigate vibrational power transmission in a uniform, multi-supported beam. The method can be applied to a finite beam with multiple, different supports subjected to harmonic forces and/or moments. In addition, the method is generally applicable to beams with different end and support conditions. The effects of excitation point location, support spacing and internal damping on the input and transmission of vibrational power have been studied. Experiments on vibrational power, including input power and power transmission, have been carried out in a multi-bay beam in an ''indirect'' way by employing a multiple channel FFT analyzer. Comparisons between measured and predicted values are presented, and for most cases there was good agreement.

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