✦ LIBER ✦

TRANSIENT STATISTICAL ENERGY ANALYSIS OF AN IMPULSIVELY EXCITED TWO OSCILLATOR SYSTEM

✍ Scribed by R.J. Pinnington; D. Lednik

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 501 KB
Volume: 189
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.1996.0018

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✦ Synopsis

The exact transient energy response of a two-degree-of-freedom system subject to an impulse is compared to that from a transient statistical energy analysis on a two oscillator system. Mathematical expressions are derived for both methods and compared. The comparisons focus on the initial energy transfer ratio, the rise time to a peak value, the peak value and final decay rates. Numerical modelling of the two methods is also made. It is found that the integral of transmitted energy is identical for both approaches. The response reaches the peak level earlier according to the statistical energy analysis but peak levels and eventual decay rates and levels are similar for both methods.

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