NONLINEAR DYNAMICS OF LOOSELY SUPPORTED TUBES IN CROSS-FLOW

被引：7
|
作者：
CAI, Y
CHEN, SS
机构：
[1] Materials and Components Technology Division, Argonne National Laboratory, Argonne, IL 60439
来源：
JOURNAL OF SOUND AND VIBRATION | 1993年 / 168卷 / 03期
关键词：
D O I：
10.1006/jsvi.1993.1385
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
By means of the unsteady flow and a bilinear mathematical model, a theoretical study was conducted of the chaotic dynamics associated with the fluid-elastic instability of loosely supported tubes. Calculations were performed for the R.M.S. of tube displacement, bifurcation diagram, phase portrait, power spectral density and Poincaré map. Analytical results show the existence of chaotic, quasi-periodic and periodic regions when the flow velocity exceeds a threshold value. © 1993 Academic Press Limited.
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页码：449 / 468
页数：20
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