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Article

An Efficient Technique for Design of Hydraulic Engine Mount via Design Variable-Embedded Damping Modeling

[+] Author and Article Information
Jun-Hwa Lee, Kwang-Joon Kim

Center for Noise and Vibration Control, Department of Mechanical Engineering, KAIST, Science Town, Daejeon, 305-701, Korea

J. Vib. Acoust 127(1), 93-99 (Mar 21, 2005) (7 pages) doi:10.1115/1.1855930 History: Received January 21, 2003; Revised March 31, 2004; Online March 21, 2005
Copyright © 2005 by ASME
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References

Figures

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Cross-sectional view of hydraulic mount
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Measurements of complex stiffness of hydraulic mount
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Hydraulic model of hydraulic mount
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Complex stiffness computed by nonlinear model
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Complex stiffness predicted and curve fitted by proposed formula
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Key frequency points of complex dynamic stiffness
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Effect of modification of length of fluid track Lt
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Effect of modification of cross-sectional area of fluid track At
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Effect of modification of piston area Ap
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Effect of modification of bulk modulus of main rubber kb
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Contribution of design variables to equivalent viscous damping coefficient ce
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Slope of real part and magnitude of imaginary part at hydraulic resonance frequency
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Magnitudes of real part at key frequencies
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Complex stiffness computed by linear model
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Equivalent damping coefficient function ce(ω) at amplitude of 1 mm

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