Exact prediction of performance and dynamic characteristic of helicopter rotor system is difficult because a blade is inherently flexible and the wake effect from preceding blades is dominant. In this research, developing three dimensional CFD (Computational Fluid Dynamics) method including wake analysis for aerodynamic loads computation, and using ADAMS (Automatic Dynamic Analysis of Mechanical Systems) package in structural dynamic analysis, new aeroelastic analysis method is developed. This method is applied to rotor system in hover and forward flight, so aerodynamic loads, blade deformations and aeroelastic stability are computed. Also, using graphic simulation capability of ADAMS, image rendering and animation of rotor system motion are performed. It is shown that, using methodology described herein, more accurate predictions are possible.
Dynamic modelling and aeroelastic analysis of rotor system using CFD code & ADAMS package
Dynamische Modellierung und Aeroelastizitätsanalyse des Hubschrauberrotorsystems mit Hilfe der numerischen Strömungssimulation (CFD) und des Programmpaketes ADAMS (Automatisierte dynamische Analyse mechanischer Systeme)
European Rotorcraft Forum, 23 ; 1 ; 6-10
1997
10 Seiten, 16 Bilder, 1 Tabelle, 38 Quellen
Aufsatz (Konferenz)
Englisch
Aeroelastic Rotor Stability Analysis
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