Reduced-Order Modeling of Unsteady Aerodynamics Across Multiple Mach Regimes
Reduced-Order Modeling of Unsteady Aerodynamics Across Multiple Mach Regimes
- Neue Suche nach: Skujins, Torstens
- Neue Suche nach: Cesnik, Carlos E. S.
- Neue Suche nach: Skujins, Torstens
- Neue Suche nach: Cesnik, Carlos E. S.
A reduced-order model for unsteady aerodynamic calculations across a range of Mach regimes based on linear convolution and a nonlinear correction factor is developed. Separate investigations are conducted for the sub-, trans-, and supersonic Mach regimes, and overall good results are seen when reduced-order model results are compared with full-order computational-fluid-dynamics solutions, though the reduced-order model errors tend to decrease as the Mach number increases. To assist reduced-order model construction, the method-of-segments simplified model has been created and tested throughout these same Mach regimes. Finally, a practical example of the reduced-order model’s applicability is presented by following a single test case from subsonic up through supersonic flight.
Dokumentinformationen
Reduced-Order Modeling of Unsteady Aerodynamics Across Multiple Mach Regimes
Journal of Aircraft ; 51 , 6 ; 1681-1704
2014-09-10
24 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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