Abstract
In this paper theoretical wrinkling analysis of the inflated beam was conducted and an experiment was then completed. The bending stiffness and load-deflection relationship in wrinkling condition were derived and then validated by experimental results. A comparative analysis of full shell, multi-scale and pseudo-beam on bending wrinkling of the inflated beam was performed. It was found that multi-scale method offered a considerable interest in computation efficiency while ensuring reliability in numerical simulation. Parametric analysis was done and showed that mesh coarseness, interface connection and the ration of full shell component have a strong influence on wrinkling analysis accuracy.
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