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SOME OBSERVATIONS ON THE CHARACTERIZATION OF STRUCTURAL DAMPING

✍ Scribed by G. OLIVETO; A. GRECO

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
314 KB
Volume
256
Category
Article
ISSN
0022-460X

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✦ Synopsis

This paper deals with the characterization of damping in dynamical structural systems. In particular, the problem of how the modal damping ratios change with di!erent boundary conditions is addressed. It is shown that only Rayleigh-type damping is actually independent of boundary conditions and modal damping ratios can be easily converted from one boundary condition to another. This condition applies independently to continuous, discrete and discretized systems.

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