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带集中质量的弹性简支梁固有频率的计算(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1991年03期
Page:
54-59
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
THE CALCULATION OF NATURAL FREQUENCIES OF ELASTIC SIMPLY SUPPORTED BEAMS WITH CONCENTRATED MASS
Article ID:
1000-2006(1991)03-0054-06
Author(s):
Shen Guanfu
Department of Mechanical Engineering
Keywords:
Elastic simply-supported beam Natural frequency Exact method Matrix iteration method
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1991.03.011
Document Code:
A
Abstract:
The elastic simply-supported beam with lumped mass at its midst is an ideal mechanical model for engineering measuring and dynamic design of mechanical parts. There is an important significance to calculate their basic and higher natural frequencies. This paper gives out the methods calculating these frequencies-exact method and matrix iteration method. After that, for an example this paper gives five front natural frequencies and does analysis of accuracy.

References

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Last Update: 1900-01-01