Combination Tones of Differential Type in Nonlinear Vibratory Systems
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概要
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When two periodic disturbing forces with frequencies Ω_1 and Ω_2 (Ω_2>Ω_1) are applied to a nonlinear vibratory system having unsymmetrical spring characteristics, the so-called combination tones of summed type with frequency Ω=Ω_1+Ω_2 as well as the combination tones of differential type with frequency Ω=Ω_2-Ω_1 can take place. In the present paper, the combination tones of differential type are discussed analytically and experimentally, and it is found that there are three types of the amplitude-frequency response curve of the combination tones of differential type as well as of summed type ; however, the relations between these types of the response curves and the ratios of the forcing frequencies K=Ω_2/Ω_1 are different from those of summed type. Further, introducing the conception of apparent external force, the phase angle and the backbone curves can be obtained, and the effect of unsymmetrical nonlinearity and damping force can be explained clearly.
- 一般社団法人日本機械学会の論文
著者
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Yamamoto Toshio
Faculty Of Engineering Nagoya University
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Hayashi Satoru
Faculty Of Engineering Nagoya University.
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Hayashi Satoru
Faculty Of Engineering Nagoya University
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