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Paper Information

Journal:   IRANIAN POLYMER JOURNAL (ENGLISH)   January-February 2003 , Volume 12 , Number 1; Page(s) 57 To 65.
 
Paper: 

MODELLING THE NONLINEAR DEFORMATION IN STEEL-BELTED RADIAL TIRES UNDER INFLATION LOADING

 
 
Author(s):  GHOREYSHI MIR HAMID REZA*
 
* Department of Rubber Engineering and Processing, Iran Polymer Institute,Tehran, I.R. Iran
 
Abstract: 

A new nonlinear axisymmetric finite element model has been developed for the stress-strain analysis of pneumatic tires. The model combines the built-in nonlinear capabilities of the commercial code COSMOS/M (NSTAR module) with tensorial calculations required to compute the stiffness properties of a cord-rubber composite in an arbitrary direction. This model is used for the analysis of a 175/70R14 steel-belted radial tire under inflation loading. The results showed that ignoring the effect of bias cord angle (e.g. belt angle) on the elastic properties of the cord-rubber composite give rise to prediction of inaccurate tire deformed shape. The accuracy and validity of the model has also been verified by the comparison of the value of the computed tire crown displacement with available experimental results.

 
Keyword(s): FINITE ELEMENT METHOD, AXISYMMETRIC, RADIAL TIYRES, NONLINEAR,STEEL-BELTED
 
References: 
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