Dynamic Analysis of Multi-Supported Nonlinear Vibration Isolation System Mounted on Flexible Foundation

Rui Huo; Hui Yu; Yan Feng Guan

doi:10.4028/www.scientific.net/AMM.419.223

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 419Dynamic Analysis of Multi-Supported Nonlinear...

Dynamic Analysis of Multi-Supported Nonlinear Vibration Isolation System Mounted on Flexible Foundation

Abstract:

In view of its prototype in engineering application, a theoretical model of multi-supported nonlinear vibration isolation system installed on flexible foundation is studied, including derivation of system dynamic equations and analysis of system dynamic characteristics. For effectiveness evaluation of nonlinear vibration isolation systems, a generalized time-averaged power is proposed as an extension of classical theory of vibratory power flow, and a numerical solution method of time-averaged power is probed accompanying with the numerical solution of nonlinear dynamic equations. In a further concrete calculation example, an air spring vibration isolation system of a small UAV engine is numerically simulated based on Runge-Kutta method, and dynamic behavior and power flow transmission characteristics influenced by system parameters are investigated.

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Periodical:

Applied Mechanics and Materials (Volume 419)

Pages:

223-227

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.419.223

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Online since:

October 2013

Authors:

Rui Huo, Hui Yu, Yan Feng Guan

Keywords:

Flexible Foundation, Multiple Mounts, Nonlinear Isolator, Power Flow

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References

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