An aeroelastic analysis methodology for bearingless main rotor helicopters

Journal of the American Helicopter Society

Volumn 43, Issue 1, 1998, Pages 66-75

  Gandhi, Farhan ^a   Chopra, Inderjit ^b  

^a The Pennsylvania State University   (United States)

^b UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EQUATIONS OF MOTION; HELICOPTER ROTORS; NONLINEAR EQUATIONS; NUMERICAL ANALYSIS;

AEROELASTIC ANALYSIS; ELASTIC DEFORMATION; PITCH CONTROL; STRUCTURAL RESPONSE;

AERODYNAMICS;

EID: 0031677715     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/jahs.43.66     Document Type: Article

References (13)

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3. Hodges, D. H., "An Aeromechanical Stability Analysis for Bearingless Rotor Helicopters," Journal of the American Helicopter Society, Vol. 24, No. 1, Jan 1979, pp. 2-9.
4. Hodges, D. H., Hopkins, A. S., Kunz, D. L., and Hinnant, H. E., "Introduction to GRASP - General Rotorcraft Aeromechanical Stability Program - A Modem Approach to Rotorcraft Modeling," Journal of the American Helicopter Society, Vol. 32, No. 2, 1987, pp. 78-90.
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8. Jang, J., and Chopra, I., "Air Resonance of an Advanced Bearingless Rotor in Forward Flight," Proceedings of the 2nd International Conference on Rotorcraft Basic Reserach, College Park, MD, Feb 1988.
9. Hong, C. H., and Chopra, I., "Aeroelastic Stability Analysis of a Composite Bearingless Rotor Blade," Journal of the American Helicopter Society, Vol. 31, No. 4, Oct 1986, pp. 29-35.
10. Tracy, A. L., and Chopra, I., "Aeroelastic Analysis of a Composite Bearingless Rotor in Forward Flight with Improved Warping Modeling," Presented at the American Helicopter Society Aeromechanics Specialists' Conference, San Francisco, California, Jan 19-21, 1994.
11. Hodges, D. H., and Dowell, E. M., "Nonlinear Equations for the Elastic Bending and Torsion of Twisted Nonuniform Rotor Blades," NASA-TND-7818, Dec 1974.
12. Bir, G., Chopra, I., et al, "University of Maryland Advanced Rotorcraft Code (UMARC) Theory Manual," UM-AERO Report 92-02, Aug 1992.
13. Dawson, S., "An Experimental Investigation of a Bearingless Model Rotor in Hover," Journal of the American Helicopter Society, Vol. 28, No. 4, Oct 1983, pp. 29-34.