Patent ID: 6871162
Filing Date: 2005-03-22
Classification: B60C,G06F

Abstract:
1. A method for performing a computerized thermomechanical analysis of a tire design at a desired inflation and load to be used to obtain a desired temperature destribution in a rolling tire, comprising: creating a finite element analysis model of the tire having a first plurality of elements, the first plurality of elements of the model comprising a plurality of tire compounds (TC) having elastic material properties (G′) and loss moduli (G″); performing a baseline computer run, comprising performing a structural analysis, at temperature t using the computer, performing a perturbation run, comprising performing the structural analysis, at temperature t calculating deformation indices (m) for the first plurality of elements by the following equation: performing a thermal finite element analysis run to obtain temperature distribution and energy loss in the tire with the first plurality of elements comprising a plurality of tire compounds while updating the element heat fluxes in a tire finite element thermal model according to an equation: where, {dot over (Q)} {dot over (Q)} G′ G′ repeating the structural and thermal analysis runs with at least a second plurality of elements of a plurality of tire compounds; and selecting the plurality of elements of a plurality of tire compounds with a more desirable temperature destribution.