| 单元刚度矩阵的几何量分析 |
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| 引用本文： | 钟尔杰.单元刚度矩阵的几何量分析[J].地球科学与环境学报,1992(3). |
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| 作者姓名： | 钟尔杰 |
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| 作者单位： | 西安地质学院基础部 710054 |
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| 摘 要： | 本文利用向量和矩阵的运算推导了单元刚度矩阵的几何量表示,分析了受三角形单元和矩形单元几何形状影响的单元刚度矩阵的性质,并将有限元网格与总体刚度矩阵相联系,直接说明了合理剖分区域Ω的基本原则。
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| 关 键 词： | 有限元 刚度矩阵 网格 几何量 |
THE GEOMETRIC QUANTITY ANALYSIS OF THE ELEMENT STIFFNESS MATRIX |
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| Zhong Erjie.THE GEOMETRIC QUANTITY ANALYSIS OF THE ELEMENT STIFFNESS MATRIX[J].Journal of Earth Sciences and Environment,1992(3). |
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| Authors: | Zhong Erjie |
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| Institution: | Xi'an College of Geology |
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| Abstract: | In this paper,the representations of geometric quantity of element stiffness matrix are deduced by means of the vector and matrix operations.The writer analyses the properties of element stiffness matrix which are influenced by geometric shape of the triangular element and rectangular element.The total principle of rational separating domain is shown here directly. |
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| Keywords: | Finite element stiffness matrix grid geometric quantity |
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