1. A method for performing a thermomechanical analysis of a tire design, comprising: creating a finite element analysis model of the tire having a plurality of elements, the elements of the model comprising a tire compound (TC) having elastic material properties (G′) and loss moduli (G″); performing a baseline run, comprising performing a structural analysis of the elements using baseline elastic material properties (G′ 0 ), performing an energy dissipation analysis using baseline loss moduli (G″ 0 ), calculating energy dissipated per unit volume of the element per cycle (Q 0 ); performing a perturbation run, comprising performing the structural analysis of the elements using perturbation elastic material properties (G′ 1 ), performing the energy dissipation analysis using perturbation loss moduli (G″ 1 ), calculating energy dissipated per unit volume of the element per cycle (Q1); and calculating deformation indices (m) by the following equation: 12 m = log &it; &it; ( Q 1 / Q 0 ) - log &it; &it; ( G 1 ″ / G 0 ″ ) log &it; &it; ( G 1 ′ / G 0 ′ ) + 1 ; performing a thermal analysis run while updating the element heat flux in the tire thermal model according to the following equation: 13 Q. t = Q. t0 &af; ( G t ′ G t0 ′ ) m - 1 &it; G t ″ G t0 ″ where, {dot over (Q)} t &equals;Element heat flux at temperature t {dot over (Q)} t0 &equals;Element heat flux at reference temperature t 0 G′ t, G″ t &equals;Storage and loss moduli at temperature t G′ t0, G″ t0 &equals;Storage and loss moduli at temperature t 0 m&equals;Deformation index