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허니콤 구조물을 갖는 차체 바닥의 투과손실 해석기법 연구Research on the Transmission Loss Analysis of the Honeycomb Structure's Floor Section
- Other Titles
- Research on the Transmission Loss Analysis of the Honeycomb Structure's Floor Section
- Issue Date
- 2008
- Publisher
- 한국철도학회
- Keywords
- 허니콤 구조물; 투과손실; 공진; 통계적에너지 해석법; 질량 법칙; honeycomb-shaped cross section; transmission loss; resonance; Statistical energy analysis; mass law
- Citation
- 한국철도학회논문집, v.11, no.1, pp.1 - 6
- Journal Title
- 한국철도학회논문집
- Volume
- 11
- Number
- 1
- Start Page
- 1
- End Page
- 6
- ISSN
- 1738-6225
- Abstract
- Sound transmission characteristics are investigated on the test specimen for the railway vehicle's floor section. Transmission loss on the honeycomb structure has been examined experimentally with the reverberation chamber. Predicted transmission loss values using NASTRAN, AUTOSEA2, are compared with measured values and the effect of resonance on the transmission loss is identified. Transmission loss of different shapes of honeycomb structure are predicted.
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