| 在温度变化和外载荷作用下超静定杆系的普遍解法 |
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| 引用本文： | 刘毓理.在温度变化和外载荷作用下超静定杆系的普遍解法[J].贵州工业大学学报(自然科学版),1987(2). |
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| 作者姓名： | 刘毓理 |
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| 作者单位： | 贵州工学院力学教研室 |
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| 摘 要： | 空间超静定杆系,在温度和载荷两种因素同时影响下,按结构变形的几何、物理及力学三条件,并利用迭加原理这一共通的解题思路,再借助于一些基本的数学手段,导出了这一较为复杂的拉、压超静定问题的普遍解。从教学及实用意义上讲,能有一个普遍适用的公式,解决杆系中各杆的内力计算,尚不多见。此法有利于巩固和充实教学内容。
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| 关 键 词： | 弹性模量 线膨胀系数 矢量与单位矢量 温度应力 |
The General Solution of the Statically Indeterminate Rods System Under Temperature Change and External Loads Action |
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| Liu Yuli.The General Solution of the Statically Indeterminate Rods System Under Temperature Change and External Loads Action[J].Journal of Guizhou University of Technology(Natural Science Edition),1987(2). |
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| Authors: | Liu Yuli |
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| Institution: | Teaching and Research Group of Mechanics |
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| Abstract: | This paper presents a general solution for the statically indeterminate problem of tension and pressure. The formula put fosward here is valuable both in teaching and in practice. |
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| Keywords: | elastic modulus coefficient of linear expansion vector and unit vector temperature stress |
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