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Shock and Vibration
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2018
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Article
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Tab 10
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Research Article
Perturbation Methods for the Eigencharacteristics of Symmetric and Asymmetric Systems
Table 10
The imaginary parts of the exact and approximate natural frequencies for the perturbed whirling beam at
for
.
Exact
First-order incremental perturbation
Second-order incremental perturbation
First-order triple product
Second-order triple product