Stochastic homogenisation of high-contrast media (CROSBI ID 265687)
Prilog u časopisu | ostalo | međunarodna recenzija
Podaci o odgovornosti
Cherdantsev, Mikhail ; Cherednichenko, Kirill ; Velčić, Igor
engleski
Stochastic homogenisation of high-contrast media
Using a suitable stochastic version of the compactness argument of [Zhikov VV. On an extension of the method of two-scale convergence and its applications. Sb Math. 2000 ; 191(7– 8):973–1014], we develop a probabilistic framework for the analysis of heterogeneous media with high contrast. We show that an appropriately defined multiscale limit of the field in the original medium satisfies a system of equations corresponding to the coupled ‘macroscopic’ and ‘microscopic’ components of the field, giving rise to an analogue of the ‘Zhikov function’, which represents the effective dispersion of the medium. We demonstrate that, under some lenient conditions within the new framework, the spectra of the original problems converge to the spectrum of their homogenisation limit.
high contrast ; random media ; stochastic homogenisation
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Podaci o izdanju
98 (1)
2019.
91-117
objavljeno
0003-6811
1563-504X
doi.org/10.1080/00036811.2018.1495327