The text describe the theory of the finite element method, the cell dividing and constructing interpolation function, the forming and solution of finite element method equation.
研究了有限元方法的原理，单元剖分及构造插值函数，有限元方程的形成和解法。
The computational format and the software at finite element node based on the cubic spline interpolation function which has been improved by author have been presented.
对三次样条插值函数进行改进，提出了有限元离散节点的计算格式及软件。
The results show that when the Lagrange interpolation is used the efficiency of calculation is elevated significantly. And the calculation converges quickly at low finite element number.
结果表明，使用拉格朗日插值方式能大大提高运算效率，在低有限元个数的情况下很快收敛。
The results show that when the Lagrange interpolation is used the efficiency of calculation is elevated significantly. And the calculation converges quickly at low finite element number.
结果表明，使用拉格朗日插值方式能大大提高运算效率，在低有限元个数的情况下很快收敛。
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