用Timoshenko梁修正理论研究泡沫金属铝合金梁的动力响应

吴 晓;孙 晋;黄 翀;罗佑新

振动与冲击 ›› 2011, Vol. 30 ›› Issue (1) : 124-127.

PDF(203 KB)
PDF(203 KB)
振动与冲击 ›› 2011, Vol. 30 ›› Issue (1) : 124-127.
论文

用Timoshenko梁修正理论研究泡沫金属铝合金梁的动力响应

  • 吴 晓; 孙 晋; 黄 翀; 罗佑新
作者信息 +

Study on the dynamic responses of the foam metal aluminum alloy beam by Timoshenko beam corrective theory

  • WU Xiao; SUN Jin; Huang Chong; Lou You-xin

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摘要

采用Timoshenko梁修正理论研究了泡沫金属铝合金梁的动力响应问题。应用Timoshenko梁修正理论建立了泡沫金属铝合金梁的振动方程,求得了其自振频率表达式及其在简谐荷载作用下强迫振动的解析解。通过实例计算,把球形泡沫铝合金梁与其它泡沫铝合金梁进行了对比分析,得出了球形泡沫金属铝合金梁的动力性能优于其它泡沫铝合金梁的动力性能。

Abstract

The dynamic responses of the foam metal aluminum alloy beam was studied by Timoshenko beam corrective theory. The vibration equation of it was established by Timoshenko beam corrective theory, the expression for natural frequency of it and the analytical solution for forced vibration of it under the action of harmonic load were obtained.The comparative analysis of the spherical foam aluminum alloy beam and another foam aluminum alloy beam was carried out by practical calculation,and it was summarized that the spherical foam metal aluminum alloy beam had the better dynamic performances than others.

关键词

泡沫铝合金 / Timoshenko梁 / 动力响应

Key words

foam aluminum alloy / Timoshenko beam / dynamic responses

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导出引用
吴 晓;孙 晋;黄 翀;罗佑新. 用Timoshenko梁修正理论研究泡沫金属铝合金梁的动力响应[J]. 振动与冲击, 2011, 30(1): 124-127
WU Xiao;SUN Jin;Huang Chong;Lou You-xin. Study on the dynamic responses of the foam metal aluminum alloy beam by Timoshenko beam corrective theory[J]. Journal of Vibration and Shock, 2011, 30(1): 124-127

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