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RESEARCH PAPERS: Offshore Mechanics and Arctic Engineering

Stress Distribution Formulas and Comparison of Three Stress Analysis Techniques for Tubular Joints

[+] Author and Article Information
S. Dharmavasan, W. D. Dover

London Centre for Marine Technology, Department of Mechanical Engineering, University College London, London, England

J. Energy Resour. Technol 107(1), 60-67 (Mar 01, 1985) (8 pages) doi:10.1115/1.3231164 History: Received July 08, 1983; Revised July 24, 1984; Online October 22, 2009

Abstract

The available data on hot spot stress for tubular welded joints has been reviewed and a database established. Stress analysis techniques in general use for the design of offshore structures and parametric equations have been assessed against this database to determine their accuracy. A set of equations to predict the stress distributions for simple joints has been proposed and has been used to predict mixed mode stress concentration factors. Results obtained from a complex K joint have been examined in detail and the importance of the stress state, when predicting the mixed mode stress concentration factors, is demonstrated.

Copyright © 1985 by ASME
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