The Effect of a Large Hole on the Stress Concentration Factor of a Satellite Hole in a Tension Field

[+] Author and Article Information
C. S. Sloan

Department of Mechanical Engineering, University of Missouri—Rolla, Blakesburg, IA 52536

M. D. Cowell

Department of Mechanical Engineering, University of Missouri—Rolla, Valley Park, MO 63088

T. F. Lehnhoff

Department of Mechanical and Aerospace Engineering, University of Missouri—Rolla, 106C ME Bldg., 1870 Miner Circle, Rolla, MO 65409-0050

J. Pressure Vessel Technol 121(3), 252-256 (Aug 01, 1999) (5 pages) doi:10.1115/1.2883700 History: Received August 13, 1998; Revised February 23, 1999; Online February 11, 2008


Stress concentration factors have been determined for large hole to small hole diameter ratios (D/d) of 10 to 50 for two holes in an infinitely wide tension-loaded panel. Finite element analysis was used to model the system of two holes in a plate that approximates the infinitely wide and tall case. Both the D/d ratio and edge to edge hole spacing were examined for hole placement along an axis perpendicular to the direction of the tension field. It was found for large D/d ratios that the stress concentration factor was only dependent on the distance between the hole edges divided by the large hole diameter. For the configurations analyzed, the stress concentration factors varied from approximately 3 to 11.

Copyright © 1999 by The American Society of Mechanical Engineers
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