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Some examples of multiple solutions in limiting flaw calculations using PD6493:1991 fracture mechanics analyses

Phaal, R and Wiesner, CS (1993) Some examples of multiple solutions in limiting flaw calculations using PD6493:1991 fracture mechanics analyses. Welding in the World, Le Soudage Dans Le Monde, 31. pp. 420-421. ISSN 0043-2288

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Abstract

The use of PC-based PD6493:1991 fracture assessment procedures has revealed that, under certain circumstances, flaws of different dimensions may be found as being limiting or critical for identical applied conditions. The main causes for multiple solutions are a steep applied stress gradient, residual stress relaxation and flaw re-characterisation. This work uses several case studies to illustrate some of the circumstances under which multiple solutions occurs.

Item Type: Article
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Depositing User: Cron job
Date Deposited: 16 Jul 2015 14:14
Last Modified: 26 Jul 2015 03:47
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