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Edge-based multigrid and preconditioning for hybrid grids

Abstract:

A multigrid method has been developed for the Euler and Navier-Stokes equations on unstructured hybrid grids in two and three dimensions. The coarse grids are automatically generated from the finest grid through element collapsing. This has been used in preference to a previous edge-collapsing technique to preserve as much structure as possible within semistructured grids. The performance of the multigrid is significantly improved through the use of Jacobi preconditioning within a Runge-Kutta...

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Publication status:
Published

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Authors


Moinier, P More by this author
Muller, JD More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
Journal:
AIAA JOURNAL
Volume:
40
Issue:
10
Pages:
1954-1960
Publication date:
2002-10-05
ISSN:
0001-1452
URN:
uuid:a733288f-b823-49c4-a9c2-804d99346ea3
Source identifiers:
17798
Local pid:
pubs:17798
Language:
English

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