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Modeling and Experiment on Active Vibration Control of Hydraulic Excitation System

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Abstract:

For studying dynamic characteristics of fluid filled pipe under hydraulic excitation force generated actively by a new developed vibration exciter, at first a computer code based on the method of characteristics (MOC) was developed. Then the excitation force calculated by MOC was applied to the corresponding nodes of finite element of pipe, by using Newmark’s method, the dynamic response at every cross section of pipe was obtained. The numerical simulations show that a simple harmonic motion arises at every cross section of the pipe, and the lateral vibration amplitude of every node along the pipe increases as the rising excitation force. In addition, measured data were compared with numerical simulation, which were basically consistent with each other.

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Periodical:

Applied Mechanics and Materials (Volume 187)

Pages:

130-133

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.187.130

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Online since:

June 2012

Authors:

Hui Xian Zhang, Ling Xia Miao

Keywords:

Finite Element Method (FEM), Fluid Structure Interaction (FSI), Hydraulic Excitation Force, Vibration Exciter

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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