临界频率以上最佳剪切系数的Timoshenko梁理论的准确性

arXiv: Classical Physics Pub Date : 2014-05-19 DOI:10.1017/JMECH.2015.104

J. Franco-Villafañe, R. A. M'endez-S'anchez

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引用次数: 10

摘要

通过将Timoshenko梁理论的结果与最近发表的实验数据进行比较，我们得到了临界频率以下和以上的剪切系数值。采用最小二乘拟合，在临界频率以下和以上分别取不同的剪切系数值，得到最佳结果。

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On the accuracy of the Timoshenko beam theory above the critical frequency: best shear coefficient

We obtain values for the shear coefficient both below and above the critical frequency by comparing the results of the Timoshenko beam theory with experimental data published recently. The best results are obtained, by a least-square fitting, when different values of the shear coefficient are used below and above the critical frequency.

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arXiv: Classical Physics

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