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A Comparison of Three PML Treatments for CAA (and CFD)In this paper we compare three Perfectly Matched Layer (PML) treatments by means of a series of numerical experiments, using common numerical algorithms, computational grids, and code implementations. These comparisons are with the Linearized Euler Equations, for base uniform base flow. We see that there are two very good PML candidates, and that can both control the introduced error. Furthermore, we also show that corners can be handled with essentially no increase in the introduced error, and that with a good PML, the outer boundary is the most significant source of err
Document ID
20080033968
Acquisition Source
Glenn Research Center
Document Type
Conference Paper
Authors
Goodrich, John W. (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
August 24, 2013
Publication Date
May 5, 2008
Subject Category
Acoustics
Report/Patent Number
AIAA Paper 2008-2922
Meeting Information
Meeting: 14th AIAA/CEAS Aeroacoustics Conference
Location: Vancouver
Country: Canada
Start Date: May 5, 2008
End Date: May 7, 2008
Sponsors: National Oceanic and Atmospheric Administraion, American Inst. of Aeronautics and Astronautics
Funding Number(s)
WBS: WBS 984754.02.07.03.17.02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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