In this paper, the stale-of-the-art methods for modeling composite rotor blades for static and dynamics analyses are presented. Special characteristics of anisotropic composite materials that include elastic coupling, transverse shear, section warping and warping restraint are discussed. The paper assesses the present status in the modeling of thin- and thick-walled composite rotors, non-classical structural effects, non-uniformities in blade construction, large deformations, aeroelastic stability in hover and forward flight, aeromechanical stability, and structural optimization. The paper concludes with recommendations for future directions in these topics.$
Assessment of composite rotor blade modeling techniques
Entwicklungsstand bei der Modellierung von Verbundstoff-Rotorblättern
Journal of the American Helicopter Society ; 44 , 3 ; 188-205
1999
18 Seiten, 19 Bilder, 2 Tabellen, 68 Quellen
Article (Journal)
English
Aerodynamik , anisotropes Material , dynamische Stabilität , Eigenfrequenz , elastische Eigenschaft , elastische Schwingung , Flügelblatt , Flugverhalten , Gewichtsminimierung , mathematisches Modell , Messergebnis , Rotor (Drehflügel) , Scherspannung , Stand der Technik , Verbundstoff , Verbundträger , Verifikation , Verwerfung (Verformung)
Assessment of Composite Rotor Blade Modeling Techniques
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