| 梁波传播的固有特性 |
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| 引用本文： | 程伟,诸德超,王大钧.梁波传播的固有特性[J].力学学报,1997,29(2):175-181. |
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| 作者姓名： | 程伟 诸德超 王大钧 |
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| 作者单位： | 北京航空航天大学 |
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| 基金项目： | 国家教委博士点专项基金,博士后基金 |
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| 摘 要： | 以分布参数的理论为基础，分析了梁波传播的一些固有特性，说明了它们与周期性结构的关系，讨论了支持条件对波传播特性的影响，指出了如果把近似方法应用于波传播分析中，可能引起的一些问题．本文的结果可直接应用于周期性结构的分析中
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| 关 键 词： | 振动分析 波传播 周期性结构 结构波 噪声 |
NATURAL CHARACTERISTICS OF WAVE PROPAGATION IN BEAM |
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| Cheng Wei \ Zhu Dechao,\ Wang Dajun.NATURAL CHARACTERISTICS OF WAVE PROPAGATION IN BEAM[J].chinese journal of theoretical and applied mechanics,1997,29(2):175-181. |
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| Authors: | Cheng Wei \ Zhu Dechao \ Wang Dajun |
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| Institution: | Cheng Wei \ Zhu Dechao * \ Wang Dajun |
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| Abstract: | The natural characteristics of wave propagation in beam has been studied based on distributed parameter concepts, and the relations between those and the periodic structures are given. The influence of support condition on characteristics of wave propagation has been discussed. It is shown in this paper that some problem would create if an approximate method (such as finite element method) is used. The study results of this paper can be applied to analyse the periodic structures. |
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| Keywords: | vibration analysis wave propagation periodic structure |
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