Instability and sensitivity analysis of flows using OpenFOAM®

Qiong Liu; F. Gómez; J.M. Perez; V. Theofilis

doi:10.1016/j.cja.2016.02.012

Instability and sensitivity analysis of flows using OpenFOAM®

Qiong Liu, F. Gómez, J.M. Perez, V. Theofilis

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › Research › peer-review

35 Citations (Scopus)

Abstract

The present contributions deal with the development and implementation of the direct and adjoint incompressible Navier–Stokes equations in a matrix-free time-stepping context making use of the open-source OpenFOAM® (open source field operation and manipulation) C++ toolbox. It is shown that a few minor modifications in the source code can enable these multi-purpose computational fluid dynamics (CFD) solvers to carry out global instability analysis of three-dimensional flows of engineering interest, exploiting all additional capabilities of such codes. The strength of this methodology is demonstrated through the analysis of an interesting selection of open and wall-bounded flows.

Original language	English
Pages (from-to)	316-325
Number of pages	10
Journal	Chinese Journal of Aeronautics
Volume	29
Issue number	2
DOIs	https://doi.org/10.1016/j.cja.2016.02.012
Publication status	Published - Apr 2016

Keywords

Adjoint-based analysis
Computational fluid dynamics
Flow instability
OpenFOAM
Time-stepping method

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Cite this

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AU - Liu, Qiong

AU - Gómez, F.

AU - Perez, J.M.

AU - Theofilis, V.

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N2 - The present contributions deal with the development and implementation of the direct and adjoint incompressible Navier–Stokes equations in a matrix-free time-stepping context making use of the open-source OpenFOAM® (open source field operation and manipulation) C++ toolbox. It is shown that a few minor modifications in the source code can enable these multi-purpose computational fluid dynamics (CFD) solvers to carry out global instability analysis of three-dimensional flows of engineering interest, exploiting all additional capabilities of such codes. The strength of this methodology is demonstrated through the analysis of an interesting selection of open and wall-bounded flows.

AB - The present contributions deal with the development and implementation of the direct and adjoint incompressible Navier–Stokes equations in a matrix-free time-stepping context making use of the open-source OpenFOAM® (open source field operation and manipulation) C++ toolbox. It is shown that a few minor modifications in the source code can enable these multi-purpose computational fluid dynamics (CFD) solvers to carry out global instability analysis of three-dimensional flows of engineering interest, exploiting all additional capabilities of such codes. The strength of this methodology is demonstrated through the analysis of an interesting selection of open and wall-bounded flows.

KW - Adjoint-based analysis

KW - Computational fluid dynamics

KW - Flow instability

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KW - Time-stepping method

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JO - Chinese Journal of Aeronautics

JF - Chinese Journal of Aeronautics

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Instability and sensitivity analysis of flows using OpenFOAM®

Abstract

Keywords

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