Volume 23, Number 1, January-March 2017
|Page(s)||119 - 136|
|Published online||30 September 2016|
Interpenetration of matter in plate theories obtained as Γ-limits∗
1 Hausdorff Center for Mathematics
& Institute for Applied Mathematics, University of Bonn,
Endenicher Allee 60,
2 Max Planck Institute for Mathematics in the Sciences, Inselstrasse 22, 04103 Leipzig, Germany.
Accepted: 6 August 2015
We reconsider the derivation of plate theories as Γ-limits of 3-dimensional nonlinear elasticity and define a suitable notion for the interpenetration of matter in the limit configuration. This is done via the Brouwer degree. For the approximating maps, we adopt as definition of interpenetration of matter the notion of non-invertibility almost everywhere, see [J.M. Ball, Proc. Roy. Soc. Edinburgh Sect. A 88 (1981) 315–328]. Given a limit map satisfying the former interpenetration property, we show that any recovery sequence (in the sense of Γ-convergence) has to consist of maps that satisfy the latter interpenetration property except for finitely many sequence elements. Then we explain how our result is applied in the context of the derivation of plate theories.
Mathematics Subject Classification: 73K10 / 49J45
Key words: Derivation of plate theories / Γ-convergence / nonlinear plate theory / interpenetration of matter
© EDP Sciences, SMAI 2016
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