Abstract
The stability of thin-walled cylindrical shells under axial pressure is investigated. The results of both experiments and numerical simulations are presented. An appropriate finite element model is introduced that accounts not only for geometric imperfections but also for non-linearities. It is found that small geometrical imperfections within a given tolerance range have considerable negative effect on the buckling load compared to perfect geometry. Various post buckling shell shapes are possible, which depend on these imperfections. The experiments and simulations show a very good correlation.
Highlights
Aerosol or bevarage cans are shell structures and there are many studies dedicated to such parts
Simplified axisymmetric finite element models can not be used for stability investigations
The finite element (FE) model uses 2D thin shell elements and the can geometry is replaced by its mid-surface
Summary
Aerosol or bevarage cans are shell structures and there are many studies dedicated to such parts. Article [1] deals with the metallurgy of alloys for beverage cans. Statistical methods and tests are reviewed to support an efficient and economic production. [2] is mentioned as it demonstrates how suitable the finite element (FE) method is to support the manufacturing and forming process of aluminium cans. Comparisons with experimental results are provided to confirm the correctness of the findings. Paper [3] focuses on the side wall wrinkling during sheet metal forming. It intends to predict the circumstances of its occurance using the finite element method
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