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A New Tire Model for Vehicle NVH Analysis
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English
Abstract
Since road roughness is an important source of vehicle vibration, a system model for NVH analysis requires a tire model which accurately predicts spindle response to road input. Most tire models currently used in the auto industry do not meet this requirement, because they are based on static stiffness of the tire and do not produce realistic response to input at the patch. This paper investigates a new modal tire model with patch input capability as a component within a vehicle system model. Comparisons are also presented between the behavior of the new tire model and a conventional spring model. To validate the performance of the tire model for NVH analysis, simulated vehicle responses to bump input are compared to chassis roll test results. Good correlation between the model prediction and the chassis roll measurements is observed.
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Authors
Citation
Kao, B., Kuo, E., Adelberg, M., Sundaram, S. et al., "A New Tire Model for Vehicle NVH Analysis," SAE Technical Paper 870424, 1987, https://doi.org/10.4271/870424.Also In
References
- Flanigan Borders “Application of Acoustic Modeling Methods for Vehicle Boom Analysis” SAE 840744 April 1984
- Richards Charek Scavuzzo “The Effects of Spindle and Patch Boundary Conditions on Tire Vibration Modes” SAE 860243 February 1986
- Richards, Brown Hohman Sundaram “Modal Analysis of Tires Relevant to Vehicle System Dynamics” presented at the Third international Modal Analysis Conference Orlando, FL January 1985
- Sundaram, Hohman Richards “Vibration Modes of a Tire Using MSC/NASTRAN” presented at MSC/NASTRAN Users' Conference Pasadena, CA March 1985
- Barone “Impact Vibrations of Rolling Tires” SAE 770612 February 1975
- MacNeal “Vibrations of Composite Systems” Office of Scientific Research Report, OSR TN-55-120 October 1954
- MacNeal, Citerley Chargin “A New Method for Analyzing Fluid-Structure interaction Using MSC/NASTRAN” MacNeal-Schwendler Corporation 1980
- Butkunas “Analysis of Vehicle Structures” International Journal of Vehicle Design 5 1/2 1984