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March  2007, 2(1): 181-192. doi: 10.3934/nhm.2007.2.181

Multiscale stochastic homogenization of monotone operators

Nils Svanstedt 1,

1. 

Department of Computational Mathematics, Chalmers University, SE-412 96 Göteborg, Sweden

Received  February 2006 Revised  September 2006 Published  December 2006

Multiscale stochastic homogenization is studied for divergence structure parabolic problems. More specifically we consider the asymptotic behaviour of a sequence of realizations of the form
$\frac{\partial u^\omega_\varepsilon}{\partial t}- $div$(a(T_1(\frac{x}{\varepsilon_1})\omega_1, T_2(\frac{x}{\varepsilon_2})\omega_2 ,t, D u^\omega_\varepsilon))=f.$
It is shown, under certain structure assumptions on the random map $a(\omega_1,\omega_2,t,\xi)$, that the sequence $\{u^\omega_\e}$ of solutions converges weakly in $ L^p(0,T;W^{1,p}_0(\Omega))$ to the solution $u$ of the homogenized problem $ \frac{\partial u}{\partial t} - $div$( b( t,D u )) = f$.
Keywords: homogenization, G-convergence, stochastic, parabolic., elliptic, multiscale.
Mathematics Subject Classification: 35B27, 35B4.
Citation: Nils Svanstedt. Multiscale stochastic homogenization of monotone operators. Networks and Heterogeneous Media, 2007, 2 (1) : 181-192. doi: 10.3934/nhm.2007.2.181
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