Analysis of High-Speed Rotating Disks With Variable Thickness and Inhomogeneity

[+] Author and Article Information
Kai-Yuan Yeh, R. P. S. Han

Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada

J. Appl. Mech 61(1), 186-191 (Mar 01, 1994) (6 pages) doi:10.1115/1.2901396 History: Received August 06, 1991; Revised October 22, 1992; Online March 31, 2008


A rotating disk with varying thickness and inhomogeneity, and subjected to a steady, inhomogeneous temperature field is analyzed. To handle the arbitrary profile, the disk is discretized into a series of uniform annular disks possessing constant material properties and then solved by the step-reduction method. Analytic expressions for thermoelastic stresses are given, and based on these results, the formulation is extended to include the calculation of shrink fit, the solving of the inverse problem for equistrength rotating disks, and the computations of plastic stresses and creep at elevated temperatures.

Copyright © 1994 by The American Society of Mechanical Engineers
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