Iterative solution techniques for unsteady flow computations using higher order time integration schemes | Zendy

Bijl H. | Zendy; Carpenter M. H. | Zendy

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Iterative solution techniques for unsteady flow computations using higher order time integration schemes

Author(s) -

Bijl H.,

Carpenter M. H.

Publication year - 2005

Publication title -

international journal for numerical methods in fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 112

eISSN - 1097-0363

pISSN - 0271-2091

DOI - 10.1002/fld.861

Subject(s) - computation , multigrid method , mathematics , flow (mathematics) , iterative method , computer science , newton's method , unsteady flow , computational fluid dynamics , mathematical optimization , algorithm , partial differential equation , mathematical analysis , mechanics , nonlinear system , geometry , physics , quantum mechanics

In this paper iterative techniques for unsteady flow computations with implicit higher order time integration methods at large time steps are investigated. It is shown that with a minimal coding effort the standard non‐linear multigrid method can be combined with a Newton–Krylov method leading to speed‐ups in the order of 30%. Copyright © 2005 John Wiley & Sons, Ltd.

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