This paper presents a finite element approach to analyze the “boom” noise for a compact tractor cabin. The tractor cabin is initially designed to have a structure made up of steel beams and aluminum panels, as well as PMAA panels in windshield, backlight and windows. Cavity acoustic modes of the cab are evaluated and the acoustic resonant frequencies are identified. The study on the structural-borne noise from the cabin structural vibration generated by the engine of the vehicle is performed. A coupled-field finite element model, counting the interactions between the air fluid inside the cabin compartment and the cabin exterior structure, is presented for investigating the structural-borne noise in a low frequency range of 20 Hz to 80 Hz. This range has shown strong boom effects. The interior noise level at driver’s right ear position is investigated. The peak noise levels at the position are determined. The effects of additional stiffeners and damping layers on the boom noise are also investigated.
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ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 24–28, 2005
Long Beach, California, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4738-1
PROCEEDINGS PAPER
Finite Element Analysis for Interior Booming Noise Reduction in a Tractor Cabin Available to Purchase
Liming Dai
Liming Dai
University of Regina, Regina, SAS, Canada
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Ji Cao
University of Regina, Regina, SAS, Canada
Liming Dai
University of Regina, Regina, SAS, Canada
Paper No:
DETC2005-84151, pp. 7-12; 6 pages
Published Online:
June 11, 2008
Citation
Cao, J, & Dai, L. "Finite Element Analysis for Interior Booming Noise Reduction in a Tractor Cabin." Proceedings of the ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C. Long Beach, California, USA. September 24–28, 2005. pp. 7-12. ASME. https://doi.org/10.1115/DETC2005-84151
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