A Case Study on Car Body in White Modal Analysis

He Li; Zhi Yuan Geng; Ye Li; Li Juan Wang

doi:10.4028/www.scientific.net/AMR.479-481.1258

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 479-481A Case Study on Car Body in White Modal Analysis

A Case Study on Car Body in White Modal Analysis

Abstract:

To make the structure of the car more rational, we established a modal test system of car's body-in-white in this paper. In experiments, we use the method of single-point excitation and multi-point collecting vibration, PULSE 12.5 modal test consultant and Mescope modal analysis software. Meanwhile, the excitation point is in the front of the load beam of better rigid. Through the system, different order modal frequencies and modal characteristics of body in white are computed. The modal analysis results and frequency characteristics of the car’s excitation are compared and analyzed, and they can supply the reference standard for dynamic design and revision．

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Periodical:

Advanced Materials Research (Volumes 479-481)

Pages:

1258-1262

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.479-481.1258

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Online since:

February 2012

Authors:

He Li, Zhi Yuan Geng, Ye Li, Li Juan Wang

Keywords:

Body in White, Hammer Excitation, Modal Analysis, Natural Vibration Model

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References

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