Calculus of Variations and Geometric Measure Theory
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L. Freddi - P. Hornung - M. G. Mora - R. Paroni

One-dimensional von Kármán models for elastic ribbons

created by freddi on 10 Jan 2017
modified on 11 Jan 2017


Submitted Paper

Inserted: 10 jan 2017
Last Updated: 11 jan 2017

Year: 2017


By means of a variational approach we rigorously deduce three one-dimensional models for elastic ribbons from the theory of von Kármán plates, passing to the limit as the width of the plate goes to zero. The one-dimensional model found starting from the “linearized” von Kármán energy corresponds to that of a linearly elastic beam that can twist but can deform in just one plane; while the model found from the von Kármán energy is a non-linear model that comprises stretching, bendings, and twisting. The “constrained” von Kármán energy, instead, leads to a new Sadowsky type of model.

Keywords: Gamma-convergence, Elastic ribbons, von Kármán plates, Sadowsky functional


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