Torsional Impact of a Stepped Shaft With a Rigid Body at One End

[+] Author and Article Information
J. A. Dalessandro

School of Mechanical Engineering, Cornell University, Ithaca, N. Y.

J. Appl. Mech 40(4), 1004-1008 (Dec 01, 1973) (5 pages) doi:10.1115/1.3423116 History: Received May 01, 1972; Revised September 01, 1972; Online July 12, 2010


A numerical solution of the wave equation for torsional impact of a shaft which contains a single step and a rigid body at one end is found using the method of characteristics. The results are based on discontinuous stresses and elementary wave theory at the step. An experiment verified the predicted results, but showed that the actual impact stresses will always be slightly less since they are not discontinuous, as assumed. Some qualitative and quantitative generalizations are made concerning the expected maximum impact stress.

Copyright © 1973 by ASME
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