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Dropping Damage Boundary Curves for Cubic and Hyperbolic Tangent Packaging Systems Based on Key Component
Author(s) -
Jiang JiuHong,
Wang ZhiWei
Publication year - 2012
Publication title -
packaging technology and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 50
eISSN - 1099-1522
pISSN - 0894-3214
DOI - 10.1002/pts.985
Subject(s) - cushioning , tangent , component (thermodynamics) , boundary (topology) , hyperbolic function , fragility , key (lock) , dimensionless quantity , mathematics , engineering , structural engineering , mechanics , mathematical analysis , computer science , geometry , physics , thermodynamics , computer security
The concept of the damage boundary curve is the basic qualification in the evaluation of product fragility and in designing cushioning package systems. This paper investigates the dropping shock equations and dropping damage boundary curves for cubic and hyperbolic tangent cushioning systems based on the key component. The dropping damage boundary curves of key component are determined not only by the dropping height but also by the dimensionless fragility, damping ratio, frequency ratio, system parameter and mass ratio for this cushioning system. The results obtained in this paper and the previous paper presented by Z‐W. Wang compose the complete descriptions of product dropping damage boundary curves for linear and non‐linear packaging cushioning systems based on key component. Copyright © 2011 John Wiley & Sons, Ltd.