Stress Concentration Equations for Straight-Shank and Countersunk Holes in Plates

[+] Author and Article Information
K. N. Shivakumar

Department of Mechanical Engineering, North Carolina A & T State University, Greensboro, NC 27405

J. C. Newman

NASA Langley Research Center, Hampton, VA 23631

J. Appl. Mech 62(1), 248-249 (Mar 01, 1995) (2 pages) doi:10.1115/1.2895916 History: Received September 08, 1992; Revised April 14, 1994; Online October 30, 2007


Stress concentration equations for straight shank and countersunk holes in a large plate subjected to various loading conditions encountered in service were developed from three-dimensional finite element solutions. For straight shank holes, three types of loading: remote tension, remote bending, and pin loading were considered; and for the countersunk hole only remote tension and bending loads were considered. The equations are within one percent of the finite element results and are valid for isotropic materials with Poisson’s ratio of 0.3.

Copyright © 1995 by The American Society of Mechanical Engineers
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