Sensitivity analysis of soil parameters based on interval

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Sensitivity analysis of soil parameters based on interval

Interval analysis is a new uncertainty analysis method for engineering struc-tures. In this paper, a new sensitivity analysis method is presented by introducing interval analysis which can expand applications of the interval analysis method. The interval anal-ysis process of sensitivity factor matrix of soil parameters is given. A method of parameter intervals and decision-making target intervals is given according to the interval analysis method. With FEM, secondary developments are done for Marc and the Duncan-Chang nonlinear elastic model. Mutual transfer between FORTRAN and Marc is implemented. With practial examples, rationality and feasibility are validated. Comparison is made with some published results.

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作 者: SU Jing-bo SHAO Guo-jian CHU Wei-jiang  
作者单位:SU Jing-bo(Key Laboratory of Coastal Disaster and Defence (Hohai University), Ministry of Education, Nanjing 210098, P. R. China)
4R6a1\rJ;k0SHAO Guo-jian,CHU Wei-jiang(College of Civil Engineering, Hohai University, Nanjing 210098, P. R. China) 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS 
年,卷(期):2008 29(12) 
分类号:O242.29 TU441.35 
关键词:interval analysis method   sensitivity   secondary development of Marc   Duncan-Chang model  
机标关键词:interval analysisanalysis methodmethod of 
基金项目:the Science and Technology Innovation Foundation of Hohai University 
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