Study on Shock Response of 2-DOF Nonlinear Cushion Packaging System with Strong Hysteresis

Zai He Yu; Jian Wei Zhou

doi:10.4028/www.scientific.net/AMM.101-102.1181

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 101-102Study on Shock Response of 2-DOF Nonlinear Cushion...

Study on Shock Response of 2-DOF Nonlinear Cushion Packaging System with Strong Hysteresis

Abstract:

This paper first establishes the model for a 2-DOF non-linear cushion packaging system with strong hysteresis and then derives its vibration equations. The vibration equations are transformed into ones using dimensionless variables and parameters. The influence of mass ratio and stiffness ratio on the system under excitation of trapezoidal pulse shock has been analyzed based on the response spectra obtained by applying the fourth order Runge-Kuntta method to the transformed equations. Results show that the mass ratio is the key design parameter.

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Periodical:

Applied Mechanics and Materials (Volumes 101-102)

Pages:

1181-1185

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.101-102.1181

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Online since:

September 2011

Authors:

Zai He Yu, Jian Wei Zhou

Keywords:

Hysteretic Nonlinearity, Shock Response Spectrum, Two Degrees of Freedom

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