Abstract
An accurate inviscid-e ow computational technique, the e nite volume lambda formulation, is presented together with a new multigrid strategy. To numerically prove the remarkable improvement of the convergence rate resulting from the new multigrid strategy, a two-dimensional inviscid, internal e ow is computed by employing different grid sizes and levels. Secondary e ows in a contracting, 90-deg rectangular, variable-area channel and inside a three-dimensional turbine cascade are then computed and the advantages of the new multigrid strategy are again proven. The merits of the e nite volume lambda formulation are demonstrated by comparison of the computed results with other published numerical results as well as with experimental data.
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