摘要
指出基面力单元是一种新的单元形式,针对该模型的性能进行数值研究,利用MATLAB语言编制有限元程序,并与三角形单元模型的计算结果进行了对比,数值研究表明该模型具有较高的计算精度,且对网格的依赖性较小。
The author points out that the base force unit is a kind of new unit form, gets numerical research aiming at this model's performance, programs finite element program by MATLAB language, and compares its calculating results with triangle unit model, numerical research shows that this model has higher calculating precision, and has little dependence on grid.
出处
《山西建筑》
2009年第9期68-69,共2页
Shanxi Architecture
关键词
余能原理
基面力
支配方程
LAGRANGE乘子法
complementary energy principle, base force, governing equation, Lagrange multiplier method