The multi-element linear regression was performed,and the fitting formulae of the deformation ovality,the maximum equivalent stress of inner and outer surface of tyre were obtained.

• 通过对滚圈的变形椭圆度和内、外表面的最大等效应力进行多元线性回归,得到了滚圈的变形椭圆度和内、外表面的最大等效应力随支承载荷、载荷比、托轮偏斜角的变化公式。