# On the coupling of Navier–Stokes and linearised Euler equations for aeroacoustic simulation

Djambazov, G.S., Lai, C.-H. and Pericleous, K.A.
(2000)
*On the coupling of Navier–Stokes and linearised Euler equations for aeroacoustic simulation.*
Computing and Visualisation in Science, 3 (1-2).
pp. 9-12.
ISSN 1432-9360 (Print), 1433-0369 (Online)
(doi:10.1007/s007910050045)

## Abstract

Aerodynamic generation of sound is governed by the Navier–Stokes equations while acoustic propagation in a non-uniform medium is effectively described by the linearised Euler equations. Different numerical schemes are required for the efficient solution of these two sets of equations, and therefore, coupling techniques become an essential issue. Two types of one-way coupling between the flow solver and the acoustic solver are discussed: (a) for aerodynamic sound generated at solid surfaces, and (b) in the free stream. Test results indicate how the coupling achieves the necessary accuracy so that Computational Fluid Dynamics codes can be used in aeroacoustic simulations.

Item Type: | Article |
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Uncontrolled Keywords: | computational mathematics and numerical analysis, computer applications in chemistry, algorithms, visualization, numerical analysis, calculus of variations and optimal control, optimization |

Subjects: | Q Science > QA Mathematics > QA76 Computer software T Technology > TL Motor vehicles. Aeronautics. Astronautics |

Pre-2014 Departments: | School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group School of Computing & Mathematical Sciences > Department of Computer Systems Technology School of Computing & Mathematical Sciences > Department of Mathematical Sciences |

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Last Modified: | 14 Oct 2016 09:00 |

URI: | http://gala.gre.ac.uk/id/eprint/367 |

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