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Vibration Analysis of Tubular Profiled Shafts

Author : P. M. G. Bashir Asdaque, R. K. Behera

Pages : 45-49
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Shaft-rotor systems consisting of tubular profiled shafts with uniform thickness are taken into consideration. The computation of deflection, slope, shear force and bending moment at the extremities of the tubular-shaft are done using conventional mathematical procedures. Whirling frequency conditions are computed using transfer matrix method. The response of the system for different profiles, lengths and speeds are computed and plotted for better understanding. The results are compared with previous published works. The step response of the system is also plotted to show the effects of gyroscopic couples at different speeds. Further, combined FEM and transfer matrix method is demonstrated for analyzing the non-rotating shafts with complex geometries.

Keywords: Profiled, Response, Shaft, Vibration, Whirling.



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