Analysis of Acoustic Characteristics of a Car Cabin Using Computer-Aided Engineering

Juan Gomez; Justin Williams; In Hyouk Song; Yoo Jae Kim; Du Hwan Chun; Deok Ki Kim; Hae Joong Na; Byoung Hee You

doi:10.4028/www.scientific.net/AMM.268-270.883

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 268-270Analysis of Acoustic Characteristics of a Car...

Analysis of Acoustic Characteristics of a Car Cabin Using Computer-Aided Engineering

Abstract:

A computer-aided engineering (CAE) model was developed to analyze the acoustic characteristics of a car cabin. Pro/Engineer Wildfire 4.0 was used to three-dimensionally represent the geometry of the cabin. The CAE, using COMSOL Multiphysics 4.2a, was performed to investigate the distribution of sound pressure fields at natural frequencies. The principle mode indices were (2, 1, 1), (2, 1, 1), (1, 1, 1), and (2, 2, 2), corresponding to the modal coefficients 1, 2, 3, and 4 and the natural frequencies of 179.691, 139.276, 221.620, and 231.386 Hz, respectively. The results of the analysis provided insight into the car cabin design to suppress exterior and interior noise.

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Periodical:

Applied Mechanics and Materials (Volumes 268-270)

Pages:

883-889

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.268-270.883

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Online since:

December 2012

Authors:

Juan Gomez, Justin Williams, In Hyouk Song, Yoo Jae Kim, Du Hwan Chun, Deok Ki Kim, Hae Joong Na, Byoung Hee You

Keywords:

Acoustic Analysis, Natural Frequency, Resonance Frequency, Sound Field, Sound Pressure

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