Higher-order unstructured domain decomposition method for Navier-Stokes equations

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)87-120
Journal / PublicationComputers and Fluids
Issue number1
Publication statusPublished - Jan 1999
Externally publishedYes


The unstructured domain decomposition method for the Navier-Stokes equations is described. The solution domain is covered with a union of subdomains of arbitrary shapes with arbitrary (multiple) overlaps. Field equations are discretized using fourth-order compact scheme for curviliner coordinate systems. Blending functions that define global fourth-order accurate solution are introduced. The global solution is used to transfer information between the subdomains. Various numerical examples confirm the fourth-order accuracy of the results. The algorithm is well suited for parallel implementations.

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