Rigorous and heuristic treatment of sensitive singular perturbations arising in elliptic shells

Abstract : We consider singular perturbations of elliptic systems depending on a parameter ε such that, for ε = 0 the boundary conditions are not adapted to the equation (they do not satisfy the Shapiro - Lopatinskii condition). The limit holds only in very abstract spaces out of distribu- tion theory involving complexification and non-local phenomena. This system appears in the thin shell theory when the middle surface is el- liptic and the shell is fixed on a part of the boundary and free on the rest. We use a heuristic reasoning applying some simplifications which allow to reduce the original problem in a domain to another problem on its boundary. The novelty of this work is that we consider systems of partial differential equations while in our previous work we were dealing with single equations.
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Chapitre d'ouvrage
Int. Math. Ser. (N. Y.). Around the research of Vladimir Maz'ya. II, Springer, New York, pp.159-202, 2010
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Dernière modification le : mardi 10 janvier 2017 - 15:11:54
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  • HAL Id : hal-00423504, version 1
  • ARXIV : 0910.2086

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Yuri Egorov, Nicolas Meunier, Evariste Sanchez-Palencia. Rigorous and heuristic treatment of sensitive singular perturbations arising in elliptic shells. Int. Math. Ser. (N. Y.). Around the research of Vladimir Maz'ya. II, Springer, New York, pp.159-202, 2010. <hal-00423504>

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