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Erschienen in:
2000 | OriginalPaper | Buchkapitel
A Fast Advection Scheme for Atmospheric Models with Little Pseudodiffusion
verfasst von : Michael V. Galperin
Erschienen in: Air Pollution Modeling and Its Application XIII
Verlag: Springer US
Enthalten in: Professional Book Archive
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The important sources of errors in advection computation are considered and a numerical advection scheme developed on this base are presented. The numerical schemes are distinguished from each other by the methods of restoration of concentration profile with respect to known masses in cells. It seems that accuracy can be unproved by application of high approximation order. However it does not take place due to the following reasons: