System Identification and Proper Orthogonal Decomposition Method Applied to Unsteady Aerodynamics

The representation of unsteady aerodynamic flowfields in terms of global aerodynamic modes has proven to be a useful method for reducing the size of the aerodynamic model over those representations that use local variables at discrete grid points in the flow field. The advantages and limitations of...

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Veröffentlicht in:	AIAA journal 2001-08, Vol.39 (8), p.1569-1576
Hauptverfasser:	Tang, Deman, Kholodar, Denis, Juang, Jer-Nan, Dowell, Earl H
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamics Applied fluid mechanics Computational fluid dynamics Computational methods in fluid dynamics Eigenvalues and eigenfunctions Exact sciences and technology Experiments Fluid dynamics Fourier transforms Frequency domain analysis Fundamental areas of phenomenology (including applications) Mathematical models Matrix algebra Physics Vortex flow
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Beschreibung
Zusammenfassung:	The representation of unsteady aerodynamic flowfields in terms of global aerodynamic modes has proven to be a useful method for reducing the size of the aerodynamic model over those representations that use local variables at discrete grid points in the flow field. The advantages and limitations of various approaches are discussed.
ISSN:	0001-1452 1533-385X
DOI:	10.2514/2.1482