Preissmann weighted implicit four-point scheme Preissemann隐式差分法
four-point explicit difference scheme 四点显式差分格式
Based on the non-linear kinematic wave method, a technique using the four point, excentric, implicit, finite-difference numerical scheme to simulate the urban storm sewer system is introduced.
本文根据非线性运动波法理论，介绍了四点非中心隐式有限差分格式模拟城市雨水管网的技术。
In this paper, we give a convexity-preserving algorithm of the four - point scheme.
本文给出了四点法的一个保凸算法。
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