The finite element method for the free surface of the seepage in homogeneous earth dam on imperviousness groundwork

NIU Wen-jie; YE Wei-min

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The finite element method for the free surface of the seepage in homogeneous earth dam on imperviousness groundwork

更新时间：2026-06-25

- The finite element method for the free surface of the seepage in homogeneous earth dam on imperviousness groundwork
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  1. 同济大学地下建筑与工程系,上海,200092
  2. 同济大学岩土及地下工程教育部重点实验室,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV223.4
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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NIU Wen-jie, YE Wei-min. The finite element method for the free surface of the seepage in homogeneous earth dam on imperviousness groundwork[J]. 2007, 28(S1).
DOI：

NIU Wen-jie, YE Wei-min. The finite element method for the free surface of the seepage in homogeneous earth dam on imperviousness groundwork[J]. 2007, 28(S1). DOI：

摘要

为了保证土坝安全，水利工程中需要对土坝进行渗流计算，首先需要确定自由面。根据达西定律和渗流连续方程，以及水头和流量边界条件，建立了不透水地基上的均质土坝渗流的计算模型。利用Geoslope软件，采用有限元离散的方法计算了土坝的渗流自由面，并分析了土坝在不同的渗透系数情况下的自由面位置的差异。最后，解析解计算的自由面结果验证了有限元计算自由面方法是正确的。

Abstract

In order to keep the safety of the earth dam

the seepage characters of the earth dam should be analyzed in the hydraulic engineering and the free surface should be determined firstly. According to Darcy’s law

seepage constitutive equations

water head and flux boundary condition

a model is established for the seepage in the in homogeneous earth dam on imperviousness groundwork. By the Geoslope software

the free surface of the earth dam is calculated using the finite element method

and the change of the free surface is analyzed when the permeability of the earth dam is changing. At last

the numerical simulation of the free surface is verified by an analytical solution.

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