| 一般层合板矩形单元的几何刚度矩阵 |
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| 引用本文： | 刘杰民,姜伟.一般层合板矩形单元的几何刚度矩阵[J].沈阳航空工业学院学报,1995,12(1):69-77. |
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| 作者姓名： | 刘杰民 姜伟 |
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| 作者单位： | 沈阳航空工业学院航空工程系(刘杰民)，西北工业大学(姜伟) |
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| 摘 要： | 本文简述了求解结构稳定性问题的有限元理论基础。用张量的形式指导了一般层合板矩形单元的节点力和节点位移关系方程，详细推导了一般层合板四节点矩形单元的几何刚度矩阵的公式及其显式。
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| 关 键 词： | 稳定性 临界载荷 几何刚度矩阵 飞机 层合板 |
The Geometrical Stiffness Matrix of A Rectangular Element Adapted for Multilayered Plates |
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| Liu Jiemin,Jiang Wei.The Geometrical Stiffness Matrix of A Rectangular Element Adapted for Multilayered Plates[J].Journal of Shenyang Institute of Aeronautical Engineering,1995,12(1):69-77. |
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| Authors: | Liu Jiemin Jiang Wei |
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| Institution: | Liu Jiemin Jiang Wei |
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| Abstract: | The complete derivation of the geometrical stiffness matrix of 4 - node rectangular element adapted for multilayered plates and the corresponding explicit expressions are given as well as the FEM basic theory solving structural stability and the relationship between node -force and node-displacement in the form of tensor being presented in this paper. |
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| Keywords: | stability critical loading geometric stiffness matrix |
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