Application of Variational Iteration Method for Dropping Damage Evaluation of the Suspension Spring Packaging System

Shuang Song, Ning-ning Duan and An-jun Chen

Abstract and Applied Analysis, 2014, vol. 2014, 1-7

Abstract:

The dropping damage evaluation for packaging system is essential for safe transportation and storage. A dynamic model of nonlinear cubic-quintic Duffing oscillator for the suspension spring packaging system was proposed. Then, a first-order approximate solution was obtained by applying He’s variable iteration method. Based on the results, a damage evaluation equation was derived, which reveals the main controlling physical parameters for damage potential of drop to packaged products concretely. Finally, the dropping damage boundary curves and surfaces for the system were discussed. It was found that decreasing the suspension angle can improve the safe region of the system.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:385404

DOI: 10.1155/2014/385404

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