한국소음진동공학회:학술대회논문집 (Proceedings of the Korean Society for Noise and Vibration Engineering Conference)
- 한국소음진동공학회 2005년도 추계학술대회논문집
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- Pages.79-83
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- 2005
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- 1598-2548(pISSN)
가진 하부시스템의 유한 모빌리티를 고려한 연성 보의 SEA 적용
SEA of Coupled Beams considering Finite Mobility of Excited Subsystem
- 발행 : 2005.11.01
초록
SEA is a useful tool to predict noise and vibration response in high frequency region but has a weak point not to be able to express modal behavior in low frequency region. For a structure with middle subsystem having relatively higher modal density than excited subsystem and receiving subsystem, we studied the possibility that the modal behavior of receiving subsystem can express by considering finite mobility of excited subsystem. For a simply three-coupled beams which is chosen for feasibility study, the response of receiving beam was investigated with varying the length & area moment of inertia of middle beam. In case that the middle beam has relatively higher modal density than exciting beam, the application to finite mobility of excited beam led to express modal behavior of receiving beam relatively well.
키워드