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RESEARCH PAPERS

Stress Analysis and Stress Index Development for a Trunnion Pipe Support

[+] Author and Article Information
M. H. Sadd

Mechanical Engineering and Applied Mechanics Department, University of Rhode Island, Kingston, R.I. 02881

R. R. Avent

Civil Engineering Department, Mississippi State University, Mississippi, Miss. 39762

J. Pressure Vessel Technol 104(2), 73-78 (May 01, 1982) (6 pages) doi:10.1115/1.3264191 History: Received January 04, 1982; Online November 05, 2009

Abstract

A finite element stress analysis is presented of a trunnion pipe anchor. The structure is analyzed for the case of internal pressure and various end moment loadings. Stress results were post-processed and decomposed into average and linear varying (through the wall thickness). These decomposed values were then interpreted within the ASME Boiler and Pressure Vessel Code to estimate primary and secondary stress indices. Several computer runs were made for a variety of structural sizes and empirical formulas were developed expressing the stress indices as a function of certain dimensionless ratios.

Copyright © 1982 by ASME
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