A coupling analysis of slope runoff and infiltration under rainfall

TONG Fu-guo; TIAN Bin; LIU De-fu

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A coupling analysis of slope runoff and infiltration under rainfall

更新时间：2026-06-25

- A coupling analysis of slope runoff and infiltration under rainfall
- Vol. 29, Issue 4, (2008)
- 作者机构：
  
  三峡大学三峡库区地质灾害教育部重点实验室,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： P641.2
- Online First：10 July 2013，
  
  Published：2008
- 稿件说明：
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TONG Fu-guo, TIAN Bin, LIU De-fu. A coupling analysis of slope runoff and infiltration under rainfall[J]. 2008, 29(4).
DOI：

TONG Fu-guo, TIAN Bin, LIU De-fu. A coupling analysis of slope runoff and infiltration under rainfall[J]. 2008, 29(4). DOI：

摘要

大气降雨时坡面径流与非饱和入渗的耦合计算，是降雨诱发滑坡及水土流失等研究中的重大问题之一。从坡面径流和降雨入渗控制方程着手，建立了基于有限元方法的耦合方程求解模型，实现了耦合问题的直接求解。该耦合计算模型与求解方法避免了坡面径流和降雨入渗间的迭代计算，也不需计算两者间的流量交换，较大程度地提高了计算效率和计算精度。算例表明，该方法正确可行，计算效率高，稳定性好。

Abstract

The coupling analysis of slope runoff and infiltration under rainfall is one of the important key problems for the research of rainfall-induced landslides and the soil conservation. The subsurface and surface flow coupling equation is established; and the solution can be achieved directly by the method of FEM. Using the method

it is not necessary to calculate the moisture flux that passes the slope surface; and then the computational precision and the computational speed can be improved. The simulation results show that the method is feasible

efficient and stable in calculation.

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