Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Study on the Integration Stability and the Accuracy of Some Friction Models for the Dynamic Analysis Using Recurdyn

RecurDyn을 이용한 동적 해석 시 마찰모델에 따른 적분 안정성 및 정확성 연구

  • 유홍희 (한양대학교 기계공학부) ;
  • 이준희 (한양대학교 대학원 기계공학과)
  • Published : 2008.11.20
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Abstract

During the dynamic analysis of a system, the Coulomb friction law is emploved to calculate the friction force. Since the static friction coefficient is only employed during the zero relative velocity, it is impractical to employ the coefficient during the dynamic analysis. To calculate the static friction force, therefore, some friction models have been developed. In this study, the integration stability and the accuracy of the models are investigated with some numerical examples. The effect of time step size during the numerical integration is also investigated. The numerical study shows that the friction model employed for most commercial codes is not as good as the one proposed in this study.

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References

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