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Finite Element Stress Analysis of Automotive Wheels
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English
Abstract
A method is shown for the analysis of stresses in automobile wheels. The structure is represented by a set of interconnected elements of finite size. The stresses calculated within each element describe the stress distribution in the cross-section and indicate how an optimum distribution of material may be determined. Formulation of the stiffness matrix of a constant strain triangular element for axisymmetric problems is given, together with the needed modifications for nonaxisymmetric loadings and anisotropic material properties. Illustrative examples show the stress distribution in a 13-inch rim caused by inflating a radial tire that is mounted on it. The examples also show the effects of varying the rim width on the contact pressures at the tire-rim interface and on the maximum principal stress in the wheel.
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Authors
Citation
Ridha, R., "Finite Element Stress Analysis of Automotive Wheels," SAE Technical Paper 760085, 1976, https://doi.org/10.4271/760085.Also In
References
- Wilson E. L. “Structural Analysis of Axisymmetric Solids” AIAA Journal 3 12 December 1965 2269 2274
- Dunham R. S. Nickell R. E. “Finite Element Analysis of Axisymmetric Solids With Arbitrary Loadings” Report No. 67-6, Structural Engineering Laboratory, University of California Berkely, California June 1967
- Crose J. G. Jones R. M. “SAS III Finite Element Strees Analysis of Axisymmetric and Plane Solids with Different Orhthotropic, Temperature-Dependent Material Properties in Tension and Compression” U.S. Air Force Report No. SAMSO-TR-71-103 June 1971
- Zienkiewicz O. C. “The Finite Element Method in Engineering Science” McGraw-Hill London 1971
- Ridha R. A. “A Study of Changing Stress Distributions in Automotive Wheels”
- Walter J. D. Kiminecz R. K. “Bead Contact Pressure Measurements at the Tire-Rim Interface” SAE Paper 750458 February 1975