Abstract
Vibration is a common risk factor during its circulation process for product. To avoid the happening of the damage, vibration test of product and its packaging system must be done. However, this test is always destructives for products and it needs high cost. In this paper, the models of laptop and its packaging system are built; the vibration modes for the laptop are analyzed based on the finite element method. The vibration process of transport circulation environment is simulated and the resonance frequency and vibration mode are obtained. Comparing two different types without and with cushion, it can found that the vibration frequencies are different for two types. The results show that the laptop without the packaging cushion, the impact force is bigger than another, the resonant frequencies are different for them also.
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