Abstract
This note presents in matrix form the equations of motion of a rotating and vibrating beam. The natural frequencies of the system are obtained by plotting an impedance-frequency diagram and noting the frequencies at which the impedance vanishes. Uncoupled bending vibrations are considered but the analysis can easily be extended to include coupled bending-torsion vibrations. The arrangement of the method for solution on a digital computor is quite straight-forward.
Publisher
Cambridge University Press (CUP)
Reference3 articles.
1. Chordwise and Beamwise Bending Frequencies of Hinged Rotor Blades;Horvay;Journal of the Aeronautical Sciences,1948
2. Hirsch H. The Contribution of Higher Mode Resonance to Helicopter Rotor Blade Bending (Fig. 5). (C.A.L. Report).
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1 articles.
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