数值流形方法在P型自适应分析中的初探  

A preliminary study of numerical manifold method in P－adaptive analysis

作　　者：居炎飞[1] 章光[1] 王水林[1] 

机构地区：[1]中国科学院武汉岩土力学研究所,武汉430071

出　　处：《岩土力学》2001年第1期88-91,共4页Rock and Soil Mechanics

摘　　要：将数值流形方法应用于P型自适应分析，推导单元不同阶次的位移函数及其单元刚度矩阵表达式，引入了对应情况下的节理单元及其刚度矩阵。编制了计算程序，数值算例表明该算法可行。 Numerical manifold method was applied to P－adaptive analysis in this paper． First displacement function with different order polynomials on the element was presented the element matrices were given thereby． Meanwhile Goodman element was introduced and the corresponding element matrices were also offered． Then a computer program for the P－adative analysis was coded． Numerical examples show the correctness of the algorithm．

关 键 词：数值流形方法 P型自适应分析 位移函数 刚度矩阵 岩土工程 

分 类 号：TU4[建筑科学—土工工程]