对于隐式差分格式，建议了一种交替方向追赶和外边界插值相结合的办法。
An alternating direction implicit difference scheme is proposed in combination with extrapolated treatment of the conditions on the outer boundary.
本文采用显格式与隐格式交替使用的方法，针对一阶线性双曲方程提出了一种隐-显迎风差分格式。
In this paper, an implicit-explicit upwind difference scheme for the first order linear hyperbolic equation is proposed using explicit scheme and implicit scheme alternately.
采用交替显隐式有限差分格式对渗流场模型进行了求解。
The finite difference scheme - ADI method is used to solve the seepage field model.
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