Homogenization of degenerate coupled fluid flows and heat transport through porous media (CROSBI ID 230852)
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Podaci o odgovornosti
Beneš, Michal ; Pažanin, Igor
engleski
Homogenization of degenerate coupled fluid flows and heat transport through porous media
We establish a homogenization result for a fully nonlinear degenerate parabolic system with critical growth arising from the heat and moisture flow through a partially saturated porous media. Existence of a global weak solution of the mesoscale problem is proven by means of a semidiscretization in time, a priori estimates and passing to the limit from discrete approximations. After that, porous material exhibiting periodic spatial oscillations is considered and the two-scale convergence (as the oscillation period vanishes) to a corresponding homogenized problem is rigorously proven.
Nonlinear degenerate parabolic system ; homogenization ; asymptotic analysis ; two-scale convergence ; coupled transport processes in porous media
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Podaci o izdanju
446 (1)
2017.
165-192
objavljeno
0022-247X
1096-0813
10.1016/j.jmaa.2016.08.041