PREDICTION OF VIBRATING FORCES ON MESHING GEARS FOR A GEAR RATTLE USING A NEW MULTI-BODY DYNAMIC MODEL
- Authors
- Han, B. K.; Cho, M. K.; Kim, C.; Lim, C. H.; Kim, J. J.
- Issue Date
- Aug-2009
- Publisher
- KOREAN SOC AUTOMOTIVE ENGINEERS-KSAE
- Keywords
- Rattle noise; Fluctuating gear force; Manual transmission; Multi-body dynamics; Backlash
- Citation
- INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY, v.10, no.4, pp.469 - 474
- Journal Title
- INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY
- Volume
- 10
- Number
- 4
- Start Page
- 469
- End Page
- 474
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/21819
- DOI
- 10.1007/s12239-009-0053-x
- ISSN
- 1229-9138
- Abstract
- An efficient multibody dynamic model was developed to predict the vibrating transmitted gear forces of loaded and unloaded pairs of helical gears simultaneously at all speeds. The model can also calculate the bearing forces of a manual transmission that, in turn, may be converted to rattling noises. The bending of meshing gear teeth and torsional flexibility of transmission shafts were considered and embodied effectively in the multibody dynamic model by calculating the tooth bending stiffness and adding a torsion spring on a shaft section between two gears, respectively. The reactive forces on teeth and bearings were calculated and compared using three different models that were developed for this study-an equivalent model, a rigid-body model, and a frequency-based model. The equivalent model took only 58% computation time, compared to the frequency-based method, even though the two showed very similar results.
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Collections - College of Engineering > Department of Mechanical and System Design Engineering > 1. Journal Articles
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