Influence of the Parameters of Damping and Stochastic Loading on the Properties of Longitudinal Vibrations of a Rod with Crack

被引：0
|
作者：
I. I. Mats’ko
I. M. Yavors’kyi
R. M. Yuzefovych
Z. Zakrzewski
机构：
[1] Ukrainian National Academy of Sciences,Karpenko Physicomechanical Institute
[2] University of Technology and Agriculture,Institute of Telecommunications
来源：
Materials Science | 2017年 / 52卷
关键词：
longitudinal vibrations of a rod containing a crack; periodically correlated random processes; diagnostic features; damping coefficient; rate of decay of correlations;
D O I：
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学科分类号：
摘要：
We analyze the deterministic and stochastic components of the realizations of longitudinal vibrations of a rod weakened by a crack determined with the help of numerical solutions of a nonlinear differential equation with stochastic driving force. It is shown that the damping coefficient strongly affects the structure of forced vibrations, which leads to changes in the diagnostic parameters. We present the results of the analysis of dependences of the characteristics of vibrations on the frequencies of the carrier stochastic driving force and on the rate of decay of correlations in its envelope.
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页码：580 / 587
页数：7
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