Abstract
An explicit nonlinear analysis was implemented to calculate buckling load and stress distribution, based on the Abaqus/Explicit computer program. According to the numerically obtained results, we can optimize the structure of the PET bottle in order to increase the buckling load. Moreover, according to the stress contour of PET bottle obtained by Abaqus, plastic distribution of PET bottle was optimized in order to improve the PET material efficiency and reduce the weight of PET bottle, and which provides a new design ideas for lightweight design of the PET bottle.
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