Journal of KSNVE (소음진동)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Influence of Internal Resonance on Responses of an Autoparametric Vibration Absorber under Random Excitation

불규칙 가진력을 받는 동흡진기의 내부공진효과

  • 조덕상 (영남대학교 공업기술연구소) ;
  • 이원경 (영남대학교 기계공학부)
  • Published : 2000.12.01
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Abstract

The main objectives of this study are to examine the random response of a vibration absorber system with autoparametric coupling in the neighborhood of internal resonance by Gaussian closure and to compare the results with those obtained by Monte Carlo simulation. The numerical simulation is found to support the main features of the nonlinear modal interaction in the neighborhood of internal resonance conditions. While the Gaussian closure exhibits regions of multiple solutions in the neighborhood of internal resonance, the numerical simulation gives only one solution depending on the assigned initial conditions. The on-off intermittency phenomena of the cantilever mode is observed in the Monte Carlo simulation over a small range of parameter.

Keywords

References

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