Eigenmode analysis in unsteady aerodynamics: Reduced order models
Publication
, Journal Article
Dowell, EH
Published in: Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference
January 1, 1995
A conceptually novel and computationally efficient technique for computing unsteady flow about isolated airfoils, wings, and turbomachinery cascades is presented. A large, sparse eigenvalue problem is solved using the Lanczos algorithm starting with either a time or frequency domain computational fluid dynamics (CFD) analysis of unsteady aerodynamics. Then, using the resulting eigenmodes, a Reduced Order Model of the unsteady flow is constructed. With the model, quick and accurate prediction of unsteady aerodynamic response of the system over a wide range of reduced frequencies can be obtained.
Duke Scholars
Published In
Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference
ISSN
0273-4508
Publication Date
January 1, 1995
Volume
4
Start / End Page
2545 / 2557
Citation
APA
Chicago
ICMJE
MLA
NLM
Dowell, E. H. (1995). Eigenmode analysis in unsteady aerodynamics: Reduced order models. Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference, 4, 2545–2557.
Dowell, E. H. “Eigenmode analysis in unsteady aerodynamics: Reduced order models.” Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference 4 (January 1, 1995): 2545–57.
Dowell EH. Eigenmode analysis in unsteady aerodynamics: Reduced order models. Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference. 1995 Jan 1;4:2545–57.
Dowell, E. H. “Eigenmode analysis in unsteady aerodynamics: Reduced order models.” Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference, vol. 4, Jan. 1995, pp. 2545–57.
Dowell EH. Eigenmode analysis in unsteady aerodynamics: Reduced order models. Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference. 1995 Jan 1;4:2545–2557.
Published In
Collection of Technical Papers AIAA ASME ASCE AHS ASC Structures Structural Dynamics and Materials Conference
ISSN
0273-4508
Publication Date
January 1, 1995
Volume
4
Start / End Page
2545 / 2557