| 再谈“非均质变截面弹性直杆的纵向自主振动” |
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| 引用本文： | 吴晓,姚春梅,张龙庭. 再谈“非均质变截面弹性直杆的纵向自主振动”[J]. 陕西理工学院学报(自然科学版), 1995, 0(1) |
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| 作者姓名： | 吴晓 姚春梅 张龙庭 |
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| 作者单位： | 常德高等专科学校 |
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| 摘 要： | 本文采用摄动法研究了弹性模量、横截面积和单位质量均按指数规律变化弹性直杆的纵向自主振动，得到了计算该类杆的固有频率及振型函数的简便公式。
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| 关 键 词： | 非均质，自主振动，固有频率 |
Discussing Again the Longitudinal Free Vibration of the Nonuiform Elastic Straight-Bars with Varying Cross Sections |
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| Wu Xiao, Yao Chunmei, Zhong Longting. Discussing Again the Longitudinal Free Vibration of the Nonuiform Elastic Straight-Bars with Varying Cross Sections[J]. Journal of Shananxi University of Technology(Natural Science Edition), 1995, 0(1) |
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| Authors: | Wu Xiao Yao Chunmei Zhong Longting |
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| Affiliation: | Changde Senior College |
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| Abstract: | In relation to elastic straight bars whose modulus of elasticity,section area, and the expotential change of unit mass, its longitudinal free vibration was studied by adopting perturbation method, and a simple formula was derived for calculating its nature frequencies and vibration mode functions. |
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| Keywords: | Nonuniform Free vibration Nature frequency |
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