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Dimension reduction for thin films prestrained by shallow curvature

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 نشر من قبل Silvia Jim\\'enez Bola\\~nos
 تاريخ النشر 2020
  مجال البحث
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We are concerned with the dimension reduction analysis for thin three-dimensional elastic films, prestrained via Riemannian metrics with weak curvatures. For the prestrain inducing the incompatible version of the Foppl-von Karman equations, we find the $Gamma$-limits of the rescaled energies, identify the optimal energy scaling laws, and display the equivalent conditions for optimality in terms of both the prestrain components and the curvatures of the related Riemannian metrics. When the stretching-inducing prestrain carries no in-plane modes, we discover similarities with the previously described shallow shell models. In higher prestrain regimes, we prove new energy upper bounds by constructing deformations as the Kirchhoff-Love extensions of the highly perturbative, Holder-regular solutions to the Monge-Ampere equation obtained by means of convex integration.


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