Abstract:SUMMARY
This paper deals with the design of an efficient open boundary condition (OBC) for fluid dynamics problems. Such problematics arise, for instance, when one solves a local model on a fine grid that is nested in a coarser one of greater extent. Usually, the local solution Uloc is computed from the coarse solution Uext, thanks to an OBC formulated as BhUlocMathClass-rel=BHUext, where Bh and BH are discretizations of the same differential operator scriptB (Bh being defined on the fine grid and BH on the co… Show more
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