基于区间的土体参数敏感性分析方法研究

苏静波; 邵国建; 褚卫江

基于区间的土体参数敏感性分析方法研究

1.
河海大学海岸灾害及防护教育部重点实验室,南京 210098;
河海大学土木工程学院, 南京 210098

详细信息

作者简介:
苏静波(1979- ),男,河南邓州人,博士(联系人:Tel:+86-25-83786638;E-mail:sxwhyh@163.com).

中图分类号: O242.29；TU441.35
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- 被引次数: 0
出版历程
- 收稿日期: 2008-01-07
- 修回日期: 2008-10-27
- 刊出日期: 2008-12-15

Sensitivity Analysis Method of Soil Parameters Based on Interval

1.
Key Laboratory of Coastal Disaster and Defence, Ministry of Education, Hohai University, Nanjing 210098, P. R. China;
College of Civil Engineering, Hohai University, Nanjing 210098, P. R. China

摘要

摘要: 将一种新的工程结构不确定性分析方法——区间分析方法溶入工程参数的敏感性分析之中，获得了一种新的工程参数敏感性分析方法，进一步拓宽了区间分析方法理论的应用领域．给出了土体参数敏感性因子矩阵求解的区间分析过程，依据区间分析给出了参数区间和决策目标区间的确定方法．基于MARC软件进行了二次开发，实现了Duncan-Chang非线性弹性模型以及与Fortran程序的相互调用功能．通过工程算例验证了该方法的合理可行性，并与文献的结果进行了对比．
- 区间分析方法 /
- 敏感性 /
- MARC二次开发 /
- Duncan-Chang模型
Abstract: Interval analysis method is a new uncertainty analysis method for engineering structures.A new sensitivity analysis method of engineering parameters was gained by introducing interval analysis method.And this will widen the application domain of interval analysis method.The interval analysis process of sensitivity factor matrix of soil parameters was given.The choosing method of the parameter intervals and decision-making target intervals was given according to interval analysis method.During the process of FEM,the secondary developments were done for Marc and the Duncan-Chang nonlinear elastic model and the mutual transfer between FORTRAN and MARC were implemented.By the engineering example,the rationality and feasibility were validated.And the conclusion was compared with that of the literatures.
- interval analysis method /
- sensitivity /
- secondary development of MARC /
- Duncan-Chang model

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参考文献(37)

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