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RESEARCH PAPERS: Rotor Dynamics

A Generalized Approach to the Dynamics of Cracked Shafts

[+] Author and Article Information
Changhe Li

Institute of Technology of Anhui, Hefei, Anhui, R. P. China

O. Bernasconi, N. Xenophontidis

Swiss Federal Institute of Technology, Applied Mechanics Laboratory, Lausanne, Switzerland

J. Vib., Acoust., Stress, and Reliab 111(3), 257-263 (Jul 01, 1989) (7 pages) doi:10.1115/1.3269850 History: Received December 10, 1987; Online November 23, 2009

Abstract

A new analytic-experimental method for describing crack breathing and obtaining shaft local stiffness change is presented. A generalized nonlinear formulation using the finite element method, which can be widely used for both horizontal and vertical cracked shafts, is derived. Some results previously explicited in other studies are confirmed and clarified. This advanced model can serve as a solid basis for further studies.

Copyright © 1989 by ASME
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