Development and verification of bounding surface model in FLAC3D

LEI Xiao-qin; YANG Guo-lin

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Development and verification of bounding surface model in FLAC3D

更新时间：2026-06-25

- Development and verification of bounding surface model in FLAC3D
- Vol. 33, Issue 2, (2012)
- 作者机构：
  
  1. 中南大学土木建筑学院,长沙,410075
  2. 法国里昂国立应用科学学院土木与环境实验室,里昂,69100
- 作者简介：
- 基金信息：
- DOI：
  CLC： O241
- Online First：14 February 2012，
  
  Published：2012
- 稿件说明：
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LEI Xiao-qin, YANG Guo-lin. Development and verification of bounding surface model in FLAC3D[J]. 2012, 33(2).
DOI：

LEI Xiao-qin, YANG Guo-lin. Development and verification of bounding surface model in FLAC3D[J]. 2012, 33(2). DOI：

摘要

利用FLAC3D程序提供的二次开发平台UDM在VC++编译环境下实现了一基于修正剑桥模型的简化边界面模型的开发。介绍了边界面模型的基本原理，并给出了开发关键技术和具体实施方法。通过三轴加卸载试验、不排水静三轴试验、不排水动三轴试验等几种数值试验与修正剑桥模型进行了对比研究。计算结果验证了所开发的边界面模型的正确性及相对修正剑桥模型的优越性。

Abstract

By using the further developing platform UDM

a simplified bounding surface model based on modified Cam-clay model is developed in the FLAC3D program in the VC++ debug environment. The bounding surface model’s basic principles are introduced

and the key technologies and the concrete methods of implementation are explained. Numerical simulations of loading and unloading triaxial tests

undrained triaxial shear tests are performed to study the difference between bounding surface model and modified Cam-clay model. The computed results show that the newly developed bounding surface model is reasonable and reliable

and has great advantages compared with modified Cam-clay model.

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