Issue |
ESAIM: M2AN
Volume 35, Number 3, May-June 2001
|
|
---|---|---|
Page(s) | 407 - 435 | |
DOI | https://doi.org/10.1051/m2an:2001122 | |
Published online | 15 April 2002 |
The boundary behavior of a composite material
Institut für Angewandte
Mathematik, Im Neuenheimer Feld 294, 69120 Heidelberg, Germany. (Maria.Neuss-Radu@iwr.uni-heidelberg.de)
Received:
7
March
2000
Revised:
16
January
2001
In this paper, we study how solutions to elliptic problems with periodically oscillating coefficients behave in the neighborhood of the boundary of a domain. We extend the results known for flat boundaries to domains with curved boundaries in the case of a layered medium. This is done by generalizing the notion of boundary layer and by defining boundary correctors which lead to an approximation of order ε in the energy norm.
Résumé
On étudie ici le comportement au voisinage de la frontière du domaine de solutions de problèmes elliptiques à coefficients oscillant périodiquement. Les résultats, connus pour des frontières plannes, sont étendus au cas de frontières courbes et pour un milieu stratifié. On généralise pour cela la notion de couche limite et on définit des correcteurs de frontière qui conduisent à une approximation d'ordre ε dans la norme énergie.
Mathematics Subject Classification: 35B27 / 35B40
Key words: Homogenization / generalized boundary layers / energy error estimates.
© EDP Sciences, SMAI, 2001
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