二、三维问题加权残值法的数值精度  

NUMERICAL PRECISION OF THE WEIGHTED RESIDUAL METHOD OF TWO AND THREE DIMENSIONAL PROBLEMS

作　　者：华伯浩 徐次达[2] 毛昭林 潘宁 

机构地区：[1]上海计算技术研究所 [2]同济大学

出　　处：《工程力学》1993年第4期17-25,共9页Engineering Mechanics

摘　　要：文中给出了二、三维试函数的改进形式、基于子域的残值方程组块稀疏求解算法及权残法初步通用程序。算例表明,用少的配点数达到了良好的精度。In this paper, some improvements for the trial function of two and three dimentional problems, a sparse algorithm by block based on the subregions for solving the equation system of residual value and a basic frame of general purpose Program of weighted residual method are given.The results of numerical examples show that its precision for using less located points is excellent.

关 键 词：加权残值法 配点 数值精度 组块稀疏 子区域 

分 类 号：TB12[理学—工程力学]