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Unsteady Computational Fluid Dynamics in AeronauticsComputational Methods for Unsteady Flows

Unsteady Computational Fluid Dynamics in Aeronautics: Computational Methods for Unsteady Flows [Computational methods for unsteady flows are discussed. These range from standard to modern advanced approaches. An extensive overview of temporal discretizations is given. Then adaptive time stepping approaches are outlined, including adjoint based methods. Spatial schemes are discussed, including modern higher order and resolution approaches. Numerical techniques for both density and pressure-based solvers are considered. The critical issue of numerical smoothing and its control are outlined. Also, the strong relationship between grid topology and solution accuracy is considered for a range of numerical schemes. Simultaneous equations solvers and also boundary conditions are discussed. For the latter there is a strong focus on non-reflective conditions. A survey of work suggests that even though a wide range of schemes is found, just small subsets of these find practical use.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Unsteady Computational Fluid Dynamics in AeronauticsComputational Methods for Unsteady Flows

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References (163)

Publisher
Springer Netherlands
Copyright
© Springer Science+Business Media Dordrecht 2014
ISBN
978-94-007-7048-5
Pages
33 –92
DOI
10.1007/978-94-007-7049-2_2
Publisher site
See Chapter on Publisher Site

Abstract

[Computational methods for unsteady flows are discussed. These range from standard to modern advanced approaches. An extensive overview of temporal discretizations is given. Then adaptive time stepping approaches are outlined, including adjoint based methods. Spatial schemes are discussed, including modern higher order and resolution approaches. Numerical techniques for both density and pressure-based solvers are considered. The critical issue of numerical smoothing and its control are outlined. Also, the strong relationship between grid topology and solution accuracy is considered for a range of numerical schemes. Simultaneous equations solvers and also boundary conditions are discussed. For the latter there is a strong focus on non-reflective conditions. A survey of work suggests that even though a wide range of schemes is found, just small subsets of these find practical use.]

Published: Jun 4, 2013

Keywords: Adjoint; Numerical methods; Non-reflecting boundary conditions; High order; High resolution; Grid topology; Convective schemes; Temporal schemes; Adaptive time stepping

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