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Institut für Wasserbau - IWS

Selected Topics and International Network Lectures

16:00 Uhr
Jan Nordbotten
Bergen University, Norway

On the relationship between the multiscale finite volume method and domain decomposition preconditioners

In this talk we review the classical non-overlapping domain decomposition (NODD) preconditioners, together with the newly developed multi-scale control volume (MSCV) method. By comparing the formulations, we observe that the MSCV method is a limited special case of a NODD preconditioner. We go on to suggest how the more general framework of NODD can be applied in the multi-scale context to obtain improved multi-scale estimates.
These results are placed in the setting of a more general comment on the development of multi-scale method.