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Analysis of Aeroacoustic Wave Propagation Simulations Using a Higher-Order Accurate Method
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Aeroacoustics.ORCID iD: 0000-0002-9061-4174
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Aeroacoustics.
2006 (English)In: Collection of Technical Papers - 12th AIAA/CEAS Aeroacoustics Conference: Volume 2, 2006, 922-931 p.Conference paper, Published paper (Other academic)
Abstract [en]

We present analysis and numerical investigations of the influence of grid stretching together with artificial viscosity on solutions to higher order accurate centered finite difference schemes. Also, we numerically investigate the accuracy of a sixth order accurate scheme for varying Mach number. In the analysis the first-order wave equation together with artificial viscosity terms are considered. In the numerical calculations a simple model problem is solved for which detailed studies of the downstream and upstream acoustic waves is possible.

Place, publisher, year, edition, pages
2006. 922-931 p.
Keyword [en]
Computer simulation; Finite difference method; Numerical methods; Problem solving; Viscosity
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:kth:diva-77880Scopus ID: 2-s2.0-33845619046ISBN: 1563478099 (print)OAI: oai:DiVA.org:kth-77880DiVA: diva2:492144
Conference
12th AIAA/CEAS Aeroacoustics Conference (27th AIAA Aeroacoustics Conference), Cambridge, Massachusetts, May 8-10, 2006
Note
QC 20120217Available from: 2012-02-07 Created: 2012-02-07 Last updated: 2012-02-17Bibliographically approved

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Efraimsson, Gunilla

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