| 对称截面Timoshenko梁高阶固有频率的确定 |
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| 引用本文： | 苏铁坚,徐宪忠. 对称截面Timoshenko梁高阶固有频率的确定[J]. 吉林建筑工程学院学报, 2003, 20(3): 49-52 |
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| 作者姓名： | 苏铁坚 徐宪忠 |
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| 作者单位： | 吉林建筑工程学院职业技术学院,长春,130062;吉林建筑工程学院职业技术学院,长春,130062 |
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| 摘 要： | 应用最小余能原理的理论和方法,对Tirnoshenko梁进行动力分析．计算了对称截面梁在不同边界条件下的高阶固有频率,讨论了转动惯量及剪切变形效应对各阶固有频率的影响．
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| 关 键 词： | 最小余能原理 Timoshenko梁 固有频率 |
| 文章编号： | 1009-0185(2003)03-0049-04 |
| 修稿时间： | 2002-04-02 |
Determined the High Natural Frequency of Symmetrical Section Timoshenko Beam |
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| SU Tie-jian,XU Xian-zhong. Determined the High Natural Frequency of Symmetrical Section Timoshenko Beam[J]. Journal of Jilin Architectural and Civil Engineering, 2003, 20(3): 49-52 |
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| Authors: | SU Tie-jian XU Xian-zhong |
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| Abstract: | In this paper, the minimum excess principle is used in dynamic analysis of Timoshenko beam. The high natural frequencies of symmetrical section beam with different constraints are calculated in detail, and effects of rotary inertia and shearing deformation are given. |
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| Keywords: | minimum excess principle Timoshenko beam natural frequency |
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