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Homogenization of Elliptic Difference Operators

Andrey Piatnitski 1 Elisabeth Remy
1 SYSDYS - Stochastic Dynamical Systems
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : We develop some aspects of general homogenization theory for second order elliptic difference operators and consider several models of homogenization problems for random discrete elliptic operators with rapidly oscillating coefficients. More precisely, we study the asymptotic behavior of effective coefficients for a family of random difference schemes whose coefficients can be obtained by the discretization of random high-contrast checkerboard structures. Then we compare, for various discretization methods, the effective coefficients obtained with the homogenized coefficients for corresponding differential operators.
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Submitted on : Wednesday, May 24, 2006 - 11:59:03 AM
Last modification on : Friday, February 4, 2022 - 3:18:52 AM
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  • HAL Id : inria-00073146, version 1



Andrey Piatnitski, Elisabeth Remy. Homogenization of Elliptic Difference Operators. RR-3539, INRIA. 1998. ⟨inria-00073146⟩



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