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Zeitschrift für Naturforschung A Contents Vol. 66a (2011)

Z. Naturforsch. 66a, 692 – 695 (2011)

doi:10.5560/ZNA.2011-0027

Inner-Resonance for a Coupled Oscillator Arising in a Cubic Nonlinear Packaging System with Critical Component

Jun Wang^1,2, Fang Duan³, Rui-Hua Yang⁴, Zheng-Biao Li⁵, Li-Xin Lu^1,2, and Hong Xiang¹

¹Department of Packaging Engineering, Jiangnan University, Wuxi 214122, China

²Key Laboratory of Food Packaging Techniques and Safety of China National Packaging Corporation, Wuxi 214122, China

³Department of Materials Engineering, Jiangnan University, Wuxi 214122, China

⁴Key Laboratory of Science and Technology of Eco-textiles Ministry of Education, Jiangnan University, Wuxi, Jiangsu, China

⁵College of Mathematics and Information Science, Qujing Normal University, Qujing, Yunnan 655011, China

Received March 21, 2011 / revised July 3, 2011

Reprint requests to: J. W.; E-mail: packei@yahoo.com.cn

In this paper, a dynamic model was proposed for a cushioning packaging system. Conditions for resonance were obtained by applying the variational iteration method (VIM), which should be avoided in the cushioning packaging design.

Key words: Resonance; Cushion; Nonlinear Oscillator.

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