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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.2
- 수록면
- 115 - 122 (8page)
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Sound packages and damping materials have been widely applied on the floor to decrease the interior noise of a vehicle. Based on the previous researches on the low-noise vehicles, weight optimization through minimization of damping material usage is required while decreasing mid and high frequency range noise by application of sound packages. This paper describes the analysis process of robust design of vehicle body structure before applying damping materials and focuses on the analysis and test process of the location optimization at the stage of damping material application. A vibration experiment for the analysis of floor panel velocity with respect to the excitation of suspension attachment parts at the underfloor of a vehicle is performed. And through the improvement correlation between FEA and TEST, a design guide to optimize damping materials application in the early design stage is proposed. A research on vibration damping steel sheets and liquid acoustic spray on deadener(LASD) is performed to minimize manufacturing time and to minimize the space for pre-existing asphalt damping materials. As results of this study, panel stiffness is achieved through curved surface panel and bead optimization. And test baseline of optimum design is suggested through damping material optimization. And finally, through re-establishing the analysis process for vibration reduction of vehicle floors and lightweight design of damping materials, it is possible to design damping materials efficiently in the preceding stage of design.
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참고문헌 (8)
참고문헌 신청
1. [학술지(정기간행물)] - Seo, J. B. / 1994 / Study of Damping Material Characteristics / Transactions of KSAE 16 (4) : 32 ~ 36
2. [학술대회논문] - Kang, C. W. / 2003 / The Experimental Study on the Body PanelShape to minimize the Weight of the DampingMaterial / Proceedings of KSAE Spring Conference : 483 ~ 490
3. [학술지(정기간행물)] - Lee, Y. S. / 1991 / Effective Application of Insulation and Deadeners Improving the Vehicle Interior Noise / Transactions of KSAE 14 (4) : 68 ~ 78
4. [학술대회논문] - Wang, S. / 1999 / Simulation of Vehicle Panels with Multi-layer Damping Treatment / 1st MSC Worldwide Automotive User Conference
5. [학술대회논문] - Jin, Y. S. / 2003 / A Study on the Interior Noise Analysis Technique of a Passenger Car using the Panel Contribution Analysis / Proceedings of the Korean Society of Automotive Engineers Autumn Conference : 707 ~ 712
2. [학술대회논문] - Kang, C. W. / 2003 / The Experimental Study on the Body PanelShape to minimize the Weight of the DampingMaterial / Proceedings of KSAE Spring Conference : 483 ~ 490
3. [학술지(정기간행물)] - Lee, Y. S. / 1991 / Effective Application of Insulation and Deadeners Improving the Vehicle Interior Noise / Transactions of KSAE 14 (4) : 68 ~ 78
4. [학술대회논문] - Wang, S. / 1999 / Simulation of Vehicle Panels with Multi-layer Damping Treatment / 1st MSC Worldwide Automotive User Conference
5. [학술대회논문] - Jin, Y. S. / 2003 / A Study on the Interior Noise Analysis Technique of a Passenger Car using the Panel Contribution Analysis / Proceedings of the Korean Society of Automotive Engineers Autumn Conference : 707 ~ 712
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