A new simple stable approach to the numerical solution of problems in fluid flow and heat transfer has been developed. The new approach avoids the stability problems of the skew. upwind difJemnce scheme whle reducing the inaccu~cies ofnumerial diffuion associated with upwind differencing. 7he wigin of rhe instability , ir examined. Skew upwind differencing + compared with the proposed scheme for some idealized numeric01 results. 7he numerical compuiations presented show the superiority of the new scheme with respect to the shortcoming noted for the skew upwind scheme.
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