Coupling numerical simulation of slope runoff and infiltration under rainfall conditions

ZHANG Pei-wen; LIU De-fu; ZHENG Hong; HUANG Da-hai; SONG Yu-pu

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Coupling numerical simulation of slope runoff and infiltration under rainfall conditions

更新时间：2026-06-25

- Coupling numerical simulation of slope runoff and infiltration under rainfall conditions
- Vol. 25, Issue 1, (2004)
- 作者机构：
  
  1. 大连理工大学,辽宁,大连,116024
  2. 三峡大学,湖北,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： P641.2
- Online First：15 July 2014，
  
  Published：2004
- 稿件说明：
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ZHANG Pei-wen, LIU De-fu, ZHENG Hong, et al. Coupling numerical simulation of slope runoff and infiltration under rainfall conditions[J]. 2004, 25(1).
DOI：

ZHANG Pei-wen, LIU De-fu, ZHENG Hong, et al. Coupling numerical simulation of slope runoff and infiltration under rainfall conditions[J]. 2004, 25(1). DOI：

摘要

降雨条件下坡面径流和降雨入渗的模拟互为条件，必须采用耦合分析的方法才能较好地解决这一问题。从坡面径流和降雨入渗控制方程着手，建立了用有限元方法求解该问题的耦合方程，并编制了相应的计算程序。为了加快迭代收敛的速度，还对地表饱和的判断提出了一种近似处理的方法。算例表明，所提出的方法可行，能较好地反映实际现象。该方法可为边（滑）坡稳定、水土流失、山地洪水分析等提供计算依据。

Abstract

The simulation of the subsurface and surface flow is based on easch other under rainfall conditions; a coupling method is used to solve the problem accurately. The subsurface and surface flow coupling equation is formed and its computer program is compiled using the FEM. A method is presented to speed the convergence and to judge the saturation of the surface. The simulation results show that the speed convergence is feasible and very fit for the real phenomenon in the nature. It is helpful to analyze the reason for rainfall-induced landslides.

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