Journal
MECHANISM AND MACHINE THEORY
Volume 82, Issue -, Pages 128-140Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2014.08.005
Keywords
Rotating shaft; Stretching nonlinearity; Free vibration; Multiple scales method
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The free vibration analysis of a nonlinear slender rotating shaft with simply support conditions is studied. In the slender rotating shaft the effect of shear deformation is negligible. Accordingly, in the modeling of the system rotary inertia and gyroscopic effect are considered. The equations of motion are derived by the extended Hamilton principle. The nonlinear system analyzed utilizing multiple scales method. The forward and backward nonlinear frequencies of the slender rotating shaft are obtained. It is seen that for natural vibration of a slender rotating shaft, backward and forward modes are involved. (C) 2014 Elsevier Ltd. All rights reserved.
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