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Use of the splitting scheme and multigrid method to compute flow separation

✍ Scribed by Chang Qianshun

Publisher: John Wiley and Sons
Year: 1987
Tongue: English
Weight: 521 KB
Volume: 7
Category: Article
ISSN: 0271-2091
DOI: 10.1002/fld.1650070704

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✦ Synopsis

The splitting difference scheme is used to study flow separation. Flows behind a circular cylinder are computed as a model problem. In view of the nature of the flow, the variables are transformed. The boundary condition for the pressure is given from an intermediate velocity. The free-slip velocity boundary conditions on the rigid wall are given by interpolation. The multigrid algorithm is applied to the pressure iteration. We also choose better initial values for the model problem by means of the multigrid algorithm idea.

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