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Theoretical and experimental analysis of a thin elastic cylindrical tube acting as a non-Hookean spring

I shall present analysis of the deformation and energetics of a thin elastic cylindrical tube compressed between two plates parallel to the tube axis. The deformation is studied theoretically using exact numerical simulations and the variational approach. These results are used to interpret the experimental data obtained by pressing tubes made from plastic-foil transparencies. A nal result of the study is a universal scaling relation that characterizes the response of the tube.

elasticity; nonlinear; spring; membrane; bending

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