Improved Nishihara model and realization in ADINA FEM

WANG Ren-he; LI Dong-wei; WANG Xiu-xi

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Improved Nishihara model and realization in ADINA FEM

更新时间：2026-06-25

- Improved Nishihara model and realization in ADINA FEM
- Vol. 27, Issue 11, (2006)
- 作者机构：
  
  1. 安徽理工大学土木工程系,安徽,淮南,232001
  2. 中国科学技术大学力学和机械工程系,合肥,230026
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：04 December 2013，
  
  Published：2006
- 稿件说明：
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WANG Ren-he, LI Dong-wei, WANG Xiu-xi. Improved Nishihara model and realization in ADINA FEM[J]. 2006, 27(11).
DOI：

WANG Ren-he, LI Dong-wei, WANG Xiu-xi. Improved Nishihara model and realization in ADINA FEM[J]. 2006, 27(11). DOI：

摘要

通过对现有流变模型的分析及大量的冻土单轴蠕变试验表明：可以用非线性牛顿体替代线性牛顿体对西原模型进行改进。利用Mises屈服准则推导出用于数值计算的黏弹塑性材料柔度矩阵，并成功地添加到了ADINA有限元程序中。通过对淮南某深表土冻结井筒开挖过程的数值模拟和现场实测数据对比表明：改进的西原模型用于深井冻结壁的有限元计算分析是可行的。

Abstract

Through analyzing the present rheological models and experimenting lots of creeping tests of frozen clay specimens under uniaxial stress states

the results show that the nonlinear N element substitute for the linear one is feasible and the Xiyuan model is improved. Making use of the Mises yield criterion

a soft matrix is derived to use numerical calculating as a viscous-elastic-plastic material. Numerical simulation of the shaft well excavation process and field measurements of the deformation of deep soil frozen wall in Huainan Mine show that the improved Nishihara model is feasible for FEM numerical simulation of deep soil frozen wall.

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Related Institution

College of Energy and Mining Engineering, Shandong University of Science and Technology

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