sunjl 发表于 2007-11-8 16:27

弹性基础上的double-beams,请问有没有人做过?

两个圆柱形梁压靠在一起,下面的梁受分布力作用,上面的梁两端受到压力,两梁之间的接触看作弹性基础,请问这种梁的受迫振动如何分析呢??

nishishei 发表于 2007-11-15 19:22

刚好做了个类似的东西,下面几篇文献讲的是弹性连接的两个欧拉梁,可以参考一下

1.H. V. Vu, A. M. Ordonez, B. H. Karnopp. Vibration of a double beam system, Journal of Sound and Vibration, 2000, 229(4): 807-822.
2.Z. Oniszczuk. Free transverse vibrations of elastically connected simply supported double-beam complex system. Journal of Sound and Vibration, 2000, 232(2): 387-403.
3.Z. Oniszczuk. Forced transverse vibrations of an elastically connected complex simply supported double-beam system. Journal of Sound and Vibration, 2003, 264: 273-286.
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