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1 Journal of Theoretical and Applied Mechanics

1 2024

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Numerical investigation of the asymptotic behavior of tape springs

Coppedè Michele, Paroni Roberto, Picchi Scardaoni Marco

Journal of Theoretical and Applied Mechanics

2024

Vol. 62 nr 3

535--545

Here, we investigate the behavior of the energy of a tape spring as its thickness becomes smaller and smaller. We consider the case of pure bending, i.e., we impose opposite rotations at both ends of the device. First, tape springs are introduced and their peculiar mechanical behavior is explained, and the details of the numerical model are carefully introduced. Then, a parametric study of the device is conducted for increasing end rotations and decreasing values of the thickness. Thus, we obtain parametric diagrams of reaction moments, energy per unit thickness, and energy densities. Finally, energy estimates are obtained.