| 应用最小余能原理确定变截面杆的固有频率（Ⅲ）——圆锥形悬臂杆 |
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| 引用本文： | 李继民,董云峰,等.应用最小余能原理确定变截面杆的固有频率（Ⅲ）——圆锥形悬臂杆[J].吉林建筑工程学院学报,2000(4):49-53. |
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| 作者姓名： | 李继民 董云峰 |
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| 作者单位： | [1]吉林建筑工程学院建工系，长春130021 [2]吉林建筑工程学院基础部，长春130021 |
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| 摘 要： | 本应用最小余能原理的理论和方法确定变截面杆的固有频率。具体地计算了圆锥形悬臂杆及平头圆锥悬臂杆的固有频率值，同时，讨论了剪力对固有频率的影响。
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| 关 键 词： | 最小余能原理 变截面杆 固有频率 圆锥形悬臂杆 |
Natural Frequency of Variable Section Beam Determined Using Minimun Excess Principle |
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| LI Ji min,SU Tie jian.Natural Frequency of Variable Section Beam Determined Using Minimun Excess Principle[J].Journal of Jilin Architectural and Civil Engineering,2000(4):49-53. |
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| Authors: | LI Ji min SU Tie jian |
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| Abstract: | In this paper, the minimum excess principle and its method are used in dynamic analysis of variable section beam. The natural frequency of taper and top plate taper beam are calculated in detail, and the effect of shearing force in beam on the natural frequency is discussed. |
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| Keywords: | minimum excess pronciple variable section beam natural frequency |
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