Comparing different aero-acoustic formulations in terms of results of an eigenvalue problem

M. Guettler, S. Marburg

Publikation: KonferenzbeitragPapierBegutachtung

Abstract

Since the 1950's, the field of aero-acoustics is constantly developing. Based on the work of Lighthill, Curle, FfowcsWilliams and Hawkins, Lilley, different formulations have been developed using different methods of decomposing and linearizing the field variables. In this work, different formulations, namely the Linearized Navier-Stokes Equations, Linearized Euler Equations and the Galbrun Equation are compared in terms of an eigenvalue problem of a 2D rectangular duct case in the scheme of a finite element analysis. Utilizing these results, limits of the applicability can be defined.

OriginalspracheEnglisch
Seiten736-740
Seitenumfang5
PublikationsstatusVeröffentlicht - 21 Aug. 2016
Veranstaltung45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, INTER-NOISE 2016 - Hamburg, Deutschland
Dauer: 21 Aug. 201624 Aug. 2016

Konferenz

Konferenz45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, INTER-NOISE 2016
Land/GebietDeutschland
OrtHamburg
Zeitraum21/08/1624/08/16

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