Higher harmonic control analysis for vibration reduction of helicopter rotor systems
By: Khanh O. Nguyen.
Contributors: Dryden Flight Research Facility.
Series: NASA technical memorandum -- 103855
Publisher: National Aeronautics and Space Administration, Ames Research Center, Dryden Flight Research Facility; National Technical Information Service, distributor
Published: 1994
Place of publication: Edwards, Calif; [Springfield, Va
Language: eng
Format: Microform
Subjects: Aerodynamic loads.; Finite element method.; Harmonic control.; Helicopters.; Mathematical models.; Matrices (Mathematics); Newton methods.; Rigid rotors.; Rotary wings.; Structural design criteria.; Unsteady aerodynamics.; Vibration damping.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 95-0273-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1994] 1 microfiche.