Regularization schemes for degenerate Richards equations and outflow conditions

I.S. Pop, B. Schweizer

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

18 Citaten (Scopus)
2 Downloads (Pure)


We analyze regularization schemes for the Richards equation and a time discrete numerical approximation. The original equations can be doubly degenerate, therefore they may exhibit fast and slow diffusion. Additionally, we treat outflow conditions that model an interface separating the porous medium from a free flow domain. In both situations we provide a regularization with a non-degenerate equation and standard boundary conditions, and discuss the convergence rates of the approximations.
Originele taal-2Engels
Pagina's (van-tot)1685-1712
TijdschriftMathematical Models & Methods in Applied Sciences
Nummer van het tijdschrift8
StatusGepubliceerd - 2011


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