Prediction of the noise radiated by the structural vibration of a powertrain

파워트레인 구조진동으로 인한 방사소음 예측에 관한 연구

  • 오기석 (인하대학교 대학원 기계공학과) ;
  • 이상권 (인하대학교 기계공학과) ;
  • 김성종 (인하대학교 대학원 기계공학과)
  • Published : 2007.05.10

Abstract

Noise radiated from the powertrain is an important factor of the vehicle interior noise. In this paper, Finite Element(FE) model and Boundary Element(BE) models were created. The FE model was updated by doing a correlation between experimental modal analysis(EMA) values and finite element analysis(FEA) values. Main bearing forces were calculated using a running modal data. The forced vibration analysis was simulated using the software MSC/NASTRAN, and the radiated noise was predicted using the software LMS/VIRTUAL.LAB.

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