Nonlinear Forced Oscillations of a String : 2nd Report: Various Types of Responses Near Primary Resonance Points

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概要

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• Nonlinear dynamic response of a string excitation will differ qualitatively from the usual harmonic response, because the natural frequencies of a string are in the rations of integers. As a continuation to the previous paper which treated the dynamic response near the second primary resonance point, the present paper treats the dynamic responses near the first, third and forth primary resonance points. It is shown theoretically that near each of these primary resonance points, various types of multimode responses accompanied with super-harmonic or subharmonic oscillations can occur in addition the usual harmonic response. Numerical examples are given and the characters of the responses are examined. Experimental analysis is also performed with use of a thin steel strip, and the validity of the theoretical analysis is confirmed.

• 一般社団法人日本機械学会の論文

著者

• Yasuda Kimihiko

  School Of Engineering Nagoya University

• Torii Takao

  School Of Engineering Nagoya University

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