在所采用的数学模型中，用增量叠代法处理边界条件非线性、物理参数非线性、相变潜热非线性等复杂问题。

In the mathematical model, the incremental iteration method is used to deal with such complicated nonlinear as boundary nonlinear, physical property nonlinear, transformation nonlinear etc.

youdao

编制的计算程序用叠代法求解非线性方程组；并提出直线补给边界影响距离概念和确定的方法。

The composed programme USES successive substitution method to solve nonlinear equation group, and provides the influence distance conception of the linear recharge boundary and method to determine it.

youdao