A study on the meshless method on seepage of intersected fractures

LI Xiao-chun; CHEN Jian-ping; SHI Bin-fei; FAN Jian-hua

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A study on the meshless method on seepage of intersected fractures

更新时间：2026-06-25

- A study on the meshless method on seepage of intersected fractures
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  1. 吉林大学建设工程学院,长春,130026
  2. 中国地质调查院水环司,北京,100011
- 作者简介：
- 基金信息：
- DOI：
  CLC： O357.3
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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LI Xiao-chun, CHEN Jian-ping, SHI Bin-fei, et al. A study on the meshless method on seepage of intersected fractures[J]. 2007, 28(S1).
DOI：

LI Xiao-chun, CHEN Jian-ping, SHI Bin-fei, et al. A study on the meshless method on seepage of intersected fractures[J]. 2007, 28(S1). DOI：

摘要

作为两相介质的裂隙岩体，裂隙渗流是岩体渗流的主体。由于岩体的网状裂隙用传统的方法难以模拟复杂裂隙系统的水流特征。为此，基于岩体随机裂隙三维网络数值模拟，提取裂隙二维网络，并试用基于移动最小二乘近似的最小二乘法之无网格法来模拟岩体中交叉裂隙的渗流规律，通过自行编制的程序进行了简单示例与工程实例的试算，获得了较好的模拟结果，证实了无网格法模拟岩体裂隙流的可行性。

Abstract

There are two types of seepage media in the fractured rock mass

the main seepage part is the seepages through the discontinuities. It is very difficult to simulate the seepage characteristics of the intersected fractures in the network like in the fractured rock mass according to the conventional method. Therefore

the basic idea to simulate the seepage law of the intersected fractures is to get the two dimensional fractures network from three-dimensional random discontinuities numerical network model

applying meshless method based on the least-squares procedure which is moving approximately least-squares procedure

the test calculation is carried out by the program which is self written

a satisfying result is simulated

the feasibility of simulating the seepage law of intersected fractures by meshless method is proved.

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