Dynamic Response of Asymmetric and Nonlinear Packaging System under Random Excitation

<div>Three types of restoring forces of packaging cushion materials. (a) Antisymmetry tangent type. (b) Antisymmetry hyperbolic tangent type. (c) Asymmetric tangent-hyperbolic tangent type.</div>

Shock and Vibration

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Figure 2

Figure 2: Dynamic Response of Asymmetric and Nonlinear Packaging System under Random Excitation 