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Application of Structure Optimization Method to Dynamic Tuning
Technical Paper
2014-01-0411
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The understeer of vehicle is desired for the vehicle's handling performance, and the roll rate of rear suspension is one of the key characteristics to achieve the understeer performance. A proper roll rate of the rear suspension is required to assure a certain level of understeer.
Generally, in the vehicle dynamic tuning process, several methods are available for improving understeer performance, e.g., changing the hard-points of suspensions, adjusting stiffness of bushings, etc. On the other hand, structure optimization of components can be used in some case to improve the performance. In this paper, the optimization method is applied to the twist beam of rear suspension. The change in local geometry by optimized design leads to appropriate adjustment of the roll rate. Finally the vehicle understeer performance reaches design target.
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Citation
Qu, Y., Hongbin, W., Zhang, D., Zhang, L. et al., "Application of Structure Optimization Method to Dynamic Tuning," SAE Technical Paper 2014-01-0411, 2014, https://doi.org/10.4271/2014-01-0411.Also In
References
- Gillespie , T. Fundamentals of Vehicle Dynamics Society of Automotive Engineers Warrendale, PA 978-1-56091-199-9 1992 10.4271/R-114
- Wallentowitz H. Automotive Engineering II: Vertical and Lateral Dynamics of Vehicles Li K.Q. China Machine Press 2009
- HyperWorks 10.0 User's Guide Altair Engineering, Inc. 2009