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arXiv · 1812.07220

Precised approximations in elliptic homogenization beyond the periodic setting

Xavier Blanc·Marc Josien·Claude Le Bris
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Abstract

We consider homogenization problems for linear elliptic equations in divergence form. The coecients are assumed to be a local perturbation of some periodic background. We prove $W^{1,p}$ and Lipschitz convergence of the two-scale expansion, with explicit rates. For this purpose, we use a corrector adapted to this particular setting, and dened in [10, 11], and apply the same strategy of proof as Avellaneda and Lin in [1]. We also propose an abstract setting generalizing our particular assumptions for which the same estimates hold.

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Xavier Blanc, Marc Josien, Claude Le Bris. 2018-12-18. Precised approximations in elliptic homogenization beyond the periodic setting. https://arxiv.org/abs/1812.07220

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