摄动随机有限元法在土坡可靠性分析中的应用  

Perturbation Stochastic Finite Element Method:Its Application in the Reliability Analysis of Soil Slope

作　　者：徐建平[1] 白冰[1] 周健[1] 

机构地区：[1]同济大学地下建筑与工程系,上海200092

出　　处：《武汉交通科技大学学报》2000年第4期346-350,共5页Journal of Wuhan University of Technology(Transportation Science & Engineering)

基　　金：国家自然科学基金重点资助项目! (批准号 :59738160 )

摘　　要：介绍了摄动随机有限元法的基本原理 ,并给出了土坡可靠性的 PSFEM计算公式 .数值算例结果表明 ,PSFEM在解决土坡可靠性问题时 ,理论框架严格且计算结果准确 ,因而是一种可靠且有效的数值方法 .The reliability analysis of soil slope by PSFEM (perturbation stochastic finite element method) is carried out.The results of a numerical example demonstrate the strength of this method in solving the reliability problems of soil slope.With its strict theoretical framework and accurate computational results,PSFEM proves to be a reliable and efficient computational technique in the reliability analysis of soil slope.

关 键 词：随机场 离散 摄动随机有限元法 土波 可靠性 

分 类 号：TU47[建筑科学—结构工程]