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Digitale Medien

Comparison of fast algorithms for estimating large-scale permeabilities of heterogeneous media (1995)

McCarthy, J. F.

Springer

Transport in porous media 19 (1995), S. 123-137

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Details

ISSN: 1573-1634

Schlagwort(e): Effective permeability ; heterogeneity ; renormalisation group method ; random walks

Quelle: Springer Online Journal Archives 1860-2000

Thema: Geologie und Paläontologie , Technik allgemein

Notizen: Abstract The problem of upscaling permeability data from the core to the reservoir grid block scale for input into flow simulators is addressed. Two fast, approximate algorithms which have been suggested for this purpose—one based on random walks and the other on real-space renormalisation group methods—are compared using the results of numerical tests performed on 30 different heterogeneous permeability realisations in 3-D. The results show that random walks outperform renormalisation for this problem, being computationally more efficient and demonstrating significantly better accuracy for particular cases.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00626662

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