Seminar 3.10.2013: Peter Bella

Seminar on Qualitative Theory of Differential Equations
organized by P.Quittner, M.Fila and R.Kollar

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Seminar 3.10.2013: Peter Bella

Postby quittner » Mon Sep 23, 2013 8:38 am

Seminár z kvalitatívnej teórie diferenciálnych rovníc

Štvrtok 3.10.2013 o 14:15 v posluchárni M-223

Peter Bella (Max Planck Institute, Leipzig):
Wrinkling of a Stretched Annular Elastic Thin Sheet -
Identification of the Optimal Scaling Law for the Ground State Energy


Abstrakt:
In [Bella & Kohn: Wrinkles as the result of compressive stresses in an
annular thin film, to appear in CPAM] we identified the optimal scaling
law of the minimum of the elastic energy of a stretched annular thin
elastic sheet. In this talk I will describe the next step towards the
understanding of this problem - I will identify the optimal prefactor
in the scaling law. Moreover, I will show that this prefactor can be
characterized as a minimum of a much simpler (scalar) variational problem.
quittner
 
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