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A new approach to perturbation analysis of vibration modes with close frequencies (1993)

Liu, Zhong-Sheng ; Chen, Su-Huan ; Wang, Jia-Lin ; [et al.]

Springer

Acta mechanica solida Sinica 6 (1993), S. 1-8

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ISSN: 0894-9166

Keywords: close frequencies ; perturbed eigendata ; natural vibration

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: Abstract This paper presents a new method for perturbation analysis of vibration modes with close frequencies. The main idea of this method is to transform the perturbation analysis problem of vibration modes with close frequencies into a perturbation problem associated with repeated frequencies. A numerical example is given to demonstrate the good agreement of eigensolutions obtained by this method with the exact solutions.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02207808

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