Recent Advances in Agglomerated Multigrid | Zendy

Hiroaki Nishikawa | Zendy; Boris Diskin | Zendy; James L. Thomas | Zendy; Dana P. Hammond | Zendy

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Recent Advances in Agglomerated Multigrid

Author(s) -

Hiroaki Nishikawa,

Boris Diskin,

James L. Thomas,

Dana P. Hammond

Publication year - 2013

Publication title -

51st aiaa aerospace sciences meeting including the new horizons forum and aerospace exposition

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2013-863

Subject(s) - computer science , multigrid method , mathematics , mathematical analysis , partial differential equation

We report recent advancements of the agglomerated multigrid methodology for complex flow simulations on fully unstructured grids. An agglomerated multigrid solver is applied to a wide range of test problems from simple two-dimensional geometries to realistic three- dimensional configurations. The solver is evaluated against a single-grid solver and, in some cases, against a structured-grid multigrid solver. Grid and solver issues are identified and overcome, leading to significant improvements over single-grid solvers.

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