| 基面力单元与三角形单元的性能对比分析 |
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| 引用本文： | 李清宽,袁建岭,孟涛.基面力单元与三角形单元的性能对比分析[J].山西建筑,2009,35(9):68-69. |
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| 作者姓名： | 李清宽 袁建岭 孟涛 |
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| 作者单位： | 北京工业大学建筑工程学院,北京,100124 |
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| 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。
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| 关 键 词： | 余能原理 基面力 支配方程 Lagrange乘子法 |
Comparison and analysis on performances of base force unit and triangle unit |
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| LI Qing-kuan,YUAN Jian-ling,MENG Tao.Comparison and analysis on performances of base force unit and triangle unit[J].Shanxi Architecture,2009,35(9):68-69. |
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| Authors: | LI Qing-kuan YUAN Jian-ling MENG Tao |
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| Affiliation: | LI Qing-kuan YUAN Jian-ling MENG Tao |
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| Abstract: | 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. |
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| Keywords: | complementary energy principle base force governing equation Lagrange multiplier method |
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