Random oscillations of nonlinear systems with distributed Parameter

<p>The article analyzes random vibrations of nonlinear mechanical systems with distributed parameters. The motion of such systems is described by nonlinear partial differential equations with corresponding initial and boundary conditions. In our case, the system as a whole is limited, so any m...

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Main Authors: Levan Gavasheli (Author), Anri Gavasheli (Author)
Format: Book
Published: Annals of Mathematics and Physics - Peertechz Publications, 2021-11-16.
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100 1 0 |a Levan Gavasheli  |e author 
700 1 0 |a Anri Gavasheli  |e author 
245 0 0 |a Random oscillations of nonlinear systems with distributed Parameter 
260 |b Annals of Mathematics and Physics - Peertechz Publications,   |c 2021-11-16. 
520 |a <p>The article analyzes random vibrations of nonlinear mechanical systems with distributed parameters. The motion of such systems is described by nonlinear partial differential equations with corresponding initial and boundary conditions. In our case, the system as a whole is limited, so any motion can be considered as the sum of the natural oscillations of the system, i.e. in the form of an expansion of the boundary value problem in terms of own functions. The use of the theory of random processes in the calculation of mechanical systems is a prerequisite for the creation of sound design methods and the creation of effective vibration protection devices, these methods allow us to investigate dynamic processes, to determine the probabilistic characteristics of displacements of points of the system and their first two derivatives. In the work established these conditions are met, they provide effective vibration protection of the system under study with wide changes in the pass band of the frequencies of the random vibration effect, and the frequency of the disturbing force is much greater than the natural frequency of the system as a whole, in addition, with an increase in the damping capacity of the elastic-damping link of the system, the intensity of the random process significantly decreases, which in turn leads to a sharp decrease in the dynamic coefficient of the system.</p> 
540 |a Copyright © Levan Gavasheli et al. 
546 |a en 
655 7 |a Research Article  |2 local 
856 4 1 |u https://doi.org/10.17352/amp.000027  |z Connect to this object online.