The proportional division method is an effective way to get the true convergent root during the process of solving the FEM equation.
有限元法在气浮轴承的特性研究中已经得到了广泛的应用，而比例分割法是解决有限元方程收敛的有效方法。
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The proposed algorithm use the related deduction of division with reminder of polynomials and the key equation is solved by column transformation of matrix.
This paper makes use of the elliptical parameter equation, present a generation algorithm of ellipse with division Angle increments, and makes error analysis.