Planar Motion of a Flexible Beam With a Tip Mass Driven by Two Kinematic Rotational Degrees of Freedom

[+] Author and Article Information
D. C. Winfield, B. C. Soriano

Technical Department, United States Golf Association, P.O. Box 708, Far Hills, NJ 07931

J. Vib. Acoust 120(1), 206-213 (Jan 01, 1998) (8 pages) doi:10.1115/1.2893807 History: Received October 01, 1995; Online February 26, 2008


The objective was to model planar motion of a flexible beam with a tip mass that is driven by two kinematic rotational degrees of freedom which are (1) at the center of the hub and (2) at the point the beam is attached to the hub. The equations of motion were derived using Lagrange’s equations and were solved using the finite element method. The results for the natural frequencies of the beam especially at high tip masses and high rotational velocities of the hub were calculated and compared to results obtained using the Raleigh-Ritz method. The dynamic response of the beam due to a specified hub rotation was calculated for two cases.

Copyright © 1998 by The American Society of Mechanical Engineers
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