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Eigenvalue calculation procedure for an Euler/Navier-Stokes solver with application to flows over airfoilsA Lanczos procedure is presently applied to a Navier-Stokes (N-S) solver for eigenvalues and eigenvectors associated with the small-perturbation analysis of the N-S equations' finite-difference representation for airfoil flows; the matrix used is very large, sparse, real, and nonsymmetric. The Lanczos procedure is shown to furnish complete spectral information for the eigenvalues, as required for transient-stability analysis of N-S solvers.
Document ID
19920034805
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mahajan, Aparajit J.
(NASA Lewis Research Center Cleveland; Toledo, University, OH; Duke University, Durham, NC, United States)
Dowell, Earl H.
(NASA Lewis Research Center Cleveland, OH, United States)
Bliss, Donald B.
(Duke University Durham, NC, United States)
Date Acquired
August 15, 2013
Publication Date
December 1, 1991
Publication Information
Publication: Journal of Computational Physics
Volume: 97
ISSN: 0021-9991
Subject Category
Aerodynamics
Accession Number
92A17429
Funding Number(s)
CONTRACT_GRANT: NAG3-724
Distribution Limits
Public
Copyright
Other

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