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Vibration analysis of rotor blades with pendulum absorbersA comprehensive vibration analysis of rotor blades with spherical pendulum absorbers is presented. Linearized equations of motion for small oscillations about the steady-state deflection of a spherical pendulum on elastic rotor blades undergoing coupled flapwise bending, chordwise bending, and torsional vibrations are obtained. A transmission matrix formulation is given to determine the natural vibrational characteristics of rotor blades with spherical or simple flapping pendulum absorbers. The natural frequencies and mode shapes of a hingeless rotor blade with a spherical pendulum are computed.
Document ID
19790044991
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Murthy, V. R. (Goodyear Aerospace Corp. Akron, Ohio, United States)
Hammond, C. E. (U.S. Army, Structures Laboratory, Hampton Va., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1979
Subject Category
Structural Mechanics
Report/Patent Number
AIAA PAPER 79-0730
Meeting Information
Meeting: Structures, Structural Dynamics, and Materials Conference
Location: St. Louis, MO
Start Date: April 4, 1979
End Date: April 6, 1979
Accession Number
79A29004
Funding Number(s)
CONTRACT_GRANT: NSG-1370
Distribution Limits
Public
Copyright
Other

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