The diffusion equation was discretized using a local one-dimensional finitedifferenceequation and solved using the speedup method.
扩散方程采用隐式局部一维格式差分离散，利用追赶法求解；
2
The text is detailed to study the deducing process of the nodal finitedifferenceequation, and to study its application hi the rock mass engineering problems.
本文详细研究了节点有限差分运动方程的推导过程，以及在岩土工程问题中的应用。
3
The paper presents an study of copper clad steel wire produced by liquid and solid bonding method. Using the finitedifferenceequation, the dipping process is analyzed.