| 平面梁单元的温度应力 |
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| 引用本文： | 阴小梅. 平面梁单元的温度应力[J]. 青海大学学报, 2010, 28(1): 26-29,43 |
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| 作者姓名： | 阴小梅 |
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| 作者单位： | 兰州交通大学土木工程学院,甘肃,兰州,730070 |
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| 摘 要： | 介绍了能量原理在结构矩阵分析方面的原理及应用。以虚位移原理为理论依据,采用MATLAB符号运算的方法,分析了平面梁单元在荷载及温度变化影响下的单元刚度矩阵。计算表明:该方法在形成和求解由平面梁单元组成的工程结构时,具有较大的速度优势及良好的程序可读性。
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| 关 键 词： | 虚功原理 单元刚度矩阵 温度应力 矩阵位移法 结构 |
Temperature stress of plane beam unit |
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| YIN+Xiaomei+. Temperature stress of plane beam unit[J]. Journal of Qinghai University(Natural Science), 2010, 28(1): 26-29,43 |
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| Authors: | YIN+Xiaomei+ |
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| Affiliation: | YIN+Xiaomei+(College+of+Civil+Engineering,Lanzhou+Jiaotong+University,Lanzhou+730070,China) |
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| Abstract: | The principle of energy method and its applcation in structure matrix analysis are introduced in this paper and based on the virtaul work principle,the unit stiffness matrix of a plane beam unit under load and temperature variation is analysed using the method of MATLAB symbol operation.The calculation result shows that the method has a great speed advatange and a good program readability in forming and solving an engineering structure composed of plane beam units. |
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| Keywords: | virtual work principle unit stiffness matrix temperature stress matrix transposition method structure |
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