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。

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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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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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