Actions for Identification of natural frequencies and modal damping ratios of aerospace structures from response data

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Identification of natural frequencies and modal damping ratios of aerospace structures from response data

Author
Michalopoulos, C. D.
Published
Nov 1, 1976.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
An analysis of one and multidegree of freedom systems with classical damping is presented. Definition and minimization of error functions for each system are discussed. Systems with classical and nonclassical normal modes are studied, and results for first order perturbation are given. An alternative method of matching power spectral densities is provided, and numerical results are reviewed.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19770019588.
Accession ID: 77N26532.
NASA-CR-151419.
TR-NC-1.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15732012