Six-node infinite element and its application

SHI Gui-cai; GE Xiu-run; WANG Shui-lin

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Six-node infinite element and its application

更新时间：2026-06-25

- Six-node infinite element and its application
- Vol. 26, Issue 10, (2005)
- 作者机构：
  
  1. 中国科学院岩土力学重点实验室,武汉,430071
  2. 常州工学院土木建筑工程学院,江苏,常州,213002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU4
- Online First：30 December 2013，
  
  Published：2005
- 稿件说明：
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SHI Gui-cai, GE Xiu-run, WANG Shui-lin. Six-node infinite element and its application[J]. 2005, 26(10).
DOI：

SHI Gui-cai, GE Xiu-run, WANG Shui-lin. Six-node infinite element and its application[J]. 2005, 26(10). DOI：

摘要

推导了6节点无界元的相关公式，并采用VC++和Matlab混合编程的手段，设计了基于Windows操作平台的面向对象的有限元与无界元耦合分析软件。应用该软件，成功的对某大型水电站地下硐室群的稳定性进行了有限元分析和有限元与无界元耦合分析，验证了公式的正确性。分析表明，在无限域和半无限域的岩土工程问题中引入无界元可以达到消除“边界效应”和提高计算效率的目的。

Abstract

Formulas of infinite element with 6 nodes are presented; and an object-oriented geotechnical infinite element(IE)-finite element(FE) coupling software based on Windows is designed by combining VC++ with Matlab. As its application

the stability of underground excavation of a hydropower project in Yunnan Province is calculated by FEM and IE coupled with FE method; so that the accuracy of formulas is proved. The analysis of the example shows that

when infinite or semi-infinite calculating zone is involved in

the application of IE coupled with FE may eliminate “boundary effects” and raise the efficiency of calculation.

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Related Author

HOU Ming-xun

GE Xiu-run

ZHOU Qing-long

LIN Wan-cang

HU Ya-yuan

MA Pan

JIA Shan-po

WU Guo-jun

Related Institution

School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University

Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

School of Resources and Safety Engineering, Central South University

Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University

Key Laboratory of Soft Soils and Geoenviromental Engineering of Ministry of Education, Zhejiang University

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