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Proceedings of the 17th IAPRI World Conference on Packaging (IAPRI 2010 E-BOOK)

Tianjin,China,10.12-10.15，2010

ISBN: 978-1-935068-36-5 Scientific Research Publishing, USA

E-Book 886pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $80

Title: Application of Nonlinear and Eigenvalue Buckling Analysis in Packaging Test
Source: Proceedings of the 17th IAPRI World Conference on Packaging (IAPRI 2010 E-BOOK) (pp 46-49)
Author(s): Yue-jun Liu, Key Laboratory of New Materials and Technology for Packaging Hunan University of Technology Zhuzhou, China
Tai-jun Jiang, Key Laboratory of New Materials and Technology for Packaging Hunan University of Technology Zhuzhou, China
Guang-sheng Zeng, Key Laboratory of New Materials and Technology for Packaging Hunan University of Technology Zhuzhou, China
Cheng Xu, Key Laboratory of New Materials and Technology for Packaging Hunan University of Technology Zhuzhou, China
Abstract: Both physical and mathematical models of eigenvalue and nonlinear buckling analysis were established based on the mechanics of materials. The buckling strength expressions of nonlinear analysis for simple structure were also derived. Thus a new method combined with nonlinear and eigenvalue buckling analysis was developed after analyzing the advantages and disadvantages of the two buckling analysis methods. Lastly finite element analysis software ANSYS was adopted to simulate the buckling strength of honeycomb paperboard with the former two measures. The results show that: 1) compared with experiments, nonlinear method is superior to eigenvalue one, but the preloaded load in nonlinear analysis is difficult to determine and therefore the combinations of the two make a better result in efficiency and accuracy. 2) ANSYS is an effective tool to carry out nonlinear and eigenvalue buckling analysis for packaging related parts as well as their combination, and the antecedently obtained buckling analysis results can offer valuable references for packaging design, testing and prediction of mechanical properties of packaging related parts.
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