全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

高速列车波纹外地板低噪声优化设计

, PP. 65-71

Keywords: 高速列车,环境噪声,波纹外地板结构,隔声量,混合有限元-统计能量法

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于混合有限元-统计能量法及周期子结构原理,建立了高速列车波纹外地板声学特性仿真模型,根据波纹外地板结构的传递损失评价隔声性能,分析了波纹板结构、波纹板加上板结构、波纹板加下板结构和波纹板加夹板结构在不同腹板倾角下的隔声性能。计算结果表明波纹板和波纹板加上板结构在各个角度的隔声量都明显高于其他两种结构;波纹板加下板结构隔声效果最差,波纹板加上板结构隔声效果最好,两者在腹板倾角为55°时隔声量差值为6.9dB。通过隔声量分析,得出了不同频率噪声下的腹板倾角和结构的最佳组合,为高速列车波纹外地板低噪声结构设计提供依据。

References

[1]  MEAD D J. Wave propagation in continuous periodic structures: research contributions from Southampton, 1964-1995[J]. Journal of Sound and Vibration, 1996, 190(3): 495-524.
[2]  WANG J, LU T J, WOODHOUSE J, et al. Sound transmission through lightweight double-leaf partitions: theoretical modelling[J]. Journal of Sound and Vibration, 2005, 286(6): 817-847.
[3]  邹元杰,张 瑾,韩增尧.基于FE-SEA方法的卫星部组件随机振动条件研究[J].航天器环境工程,2010,27(4):456-461. ZOU Yuan-jie, ZHANG Jin, HAN Zeng-yao. Random vibration specification for spacecraft components based on the hybrid FE-SEA method[J].Spacecraft EnvironmentEngineering, 2010, 27(4): 456-461.(in Chinese)
[4]  张 瑾,邹元杰,韩增尧.声振力学环境预示的FE-SEA混合方法研究[J].强度与环境,2010,37(3):14-20. ZHANG Jin, ZOU Yuan-jie, HAN Zeng-yao. Research on FE-SEA hybrid method for vibroacoustic prediction in dynamic environment[J]. Structure and Environment Engineering, 2010, 37(3): 14-20.(in Chinese)
[5]  KOHRS T. Structure acoustic investigation of orthotropic plates[D]. Berlin: Technical University of Berlin, 2002.
[6]  XIE Gang. The vibroacoustic behaviour of aluminium extrusions used in railway vehicles[D]. Southampton: University of Southampton, 2004.
[7]  XIE Gang, THOMPSON D J, JONES C J C. A modelling approach for the vibroacoustic behaviour of aluminium extrusions used in railway vehicles[J]. Journal of Sound and Vibration, 2006, 293(3/4/5): 921-932.
[8]  LANGLEY R S, BREMNER P. A hybrid method for the vibration analysis of complex structural-acoustic systems[J]. Journal of the Acoustical Society of America, 1999, 105(3): 1657-1671.
[9]  LANGLEY R S. The response of two-dimensional periodic structures to point harmonic forcing[J]. Journal of Sound and Vibration, 1996, 197(4): 447-469.
[10]  LANGLEY R S. The response of two-dimensional periodic structures to impulsive point loading[J]. Journal of Sound and Vibration, 1997, 201(2): 235-253.
[11]  LANGLEY R S, BARDELL N S. The response of two-dimensional periodic structures to harmonic point loading: a theoretical and experimental study of a beam grillage[J]. Journal of Sound and Vibration, 1997, 207(4): 521-535.
[12]  LANGLEY R S, BARDELL N S, LOASBY P M. The optimal design of near-periodic structures to minimize vibration transmission and stress levels[J]. Journal of Sound and Vibration, 1997, 207(5): 627-646.
[13]  COTONI V, LANGLEY R S, SHORTER P J. A statistical energy analysis subsystem formulation using finite element and periodic structure theory[J]. Journal of Sound and Vibration, 2008, 318(4/5): 1077-1108.
[14]  陈书明,王登峰,曹晓琳,等.车内噪声FE-SEA混合建模及分析方法[J].振动工程学报,2010,23(2):140-144. CHEN Shu-ming, WANG Deng-feng, CAO Xiao-lin, et al. Hybrid FE-SEA modeling and analysis method of car interior noise[J]. Journal of Vibration Engineering, 2010, 23(2): 140-144.(in Chinese)
[15]  宋景涛,方明霞.模态综合法在ANSYS中的应用[J].计算机辅助工程,2007,16(3):145-148. SONG Jing-tao, FANG Ming-xia. Application of component mode synthesis in ANSYS[J]. Computer Aided Engineering, 2007, 16(3): 145-148.(in Chinese)
[16]  LANGLEY R S. On the modal density and energy flow characteristics of periodic structures[J]. Journal of Sound and Vibration, 1994, 172(4): 491-511.
[17]  SHORTER P J. Wave propagation and damping in linear viscoelastic laminates[J]. Journal of the Acoustical Society of America, 2004, 115(5): 1917-1925.
[18]  SHORTER P J, LANGLEY R S. On the reciprocity relationship between direct field radiation and diffuse reverberant loading[J]. Journal of the Acoustical Society of America, 2004, 117(1): 85-95.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133