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FEM·SEA기법을 이용한 흡·차음재의 음향 변수의 차량실내음압에 미치는 영향에 관한 연구Study on the Estimation of Acoustic Behavior of the Automobile Interior Materials Using FEM and SEA
- Other Titles
- Study on the Estimation of Acoustic Behavior of the Automobile Interior Materials Using FEM and SEA
- Issue Date
- 2009
- Publisher
- 한국소음진동공학회
- Keywords
- Transmission Loss(투과손실); Absorbing Material(흡음재); Insulating Material(차음재); Biot' s Parameters(Biot변수); Finite Element Method(유한요소법); Statistical Energy Analysis(통계적에 너지 해석법)
- Citation
- 한국소음진동공학회논문집, v.19, no.4, pp.378 - 385
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 19
- Number
- 4
- Start Page
- 378
- End Page
- 385
- ISSN
- 1598-2785
- Abstract
- In establishing silent environment such as automobile and industrial instrument, the roles of the insulating materials are critical. The proper and effective positioning of insulating materials is essential in the field of noise as well as in designing silent automobile. In this paper, we proposed the systematic and efficient scheme for optimizing complete automotive interiors for noise control. In order to attain this purpose, following analysis has been carried out: First, measuring the Biot parameters of insulating materials and the transmission loss with reflecting the appropriate arrangement of insulating materials has been experimented. In addition, we made comparison among transmission loss by the tools of analysis and verification, experimental value under consideration of various situations of automobile and analysis by the SEA.
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