This paper describes a finite-difference method for unsteady transonic flow computation in frequency domain and transonic flutter prediction of complete aircraft configurations. The unsteady TSD equation as well as the boundary conditions are split into the in-phase and out-of-phase components in frequency domain by a nonlinear harmonic averaging technique. The resulting equations are solved by a steady flow algorithm.The unsteady pressure distributions for a rectangular wing and the ONERA M6 wing are analyzed and compared with other results to verify the code.The flutter characteristics for the AGARD I-445.6 wing, a cropped delta wing and a fighter configuration are computed and the results are discussed.
Unsteady Transonic Aerodynamics in Frequency Domain and Calculation of Flutter Characteristics of Aircraft
Sae Technical Papers
General, Corporate & Regional Aviation Meeting & Exposition ; 1995
01.05.1995
Aufsatz (Konferenz)
Englisch
British Library Conference Proceedings | 1995
|Frequency Domain Unsteady Transonic Aerodynamics for Flutter and Limit Cycle Oscillation Prediction
British Library Conference Proceedings | 1997
|Transonic Stabilization Laws for Unsteady Aerodynamics and Flutter
British Library Conference Proceedings | 2012
|