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research article
First-order expansion of homogenized coefficients under Bernoulli perturbations
Divergence-form operators with stationary random coefficients homogenize over large scales. We investigate the effect of certain perturbations of the medium on the homogenized coefficients. The perturbations considered are rare at the local level, but when occurring, have an effect of the same order of magnitude as the initial medium itself. The main result of the paper is a first-order expansion of the homogenized coefficients, as a function of the perturbation parameter. (C) 2014 Elsevier Masson SAS. All rights reserved.
Type
research article
Web of Science ID
WOS:000347509500003
Authors
Publication date
2015
Publisher
Published in
Volume
103
Issue
1
Start page
68
End page
101
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
February 20, 2015
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