Optimized J Evaluation Scheme for the Fracture Mechanics Assessment of Complex Piping Systems Subjected to Various Loading Sets

Author:

Chapuliot Stephane1,Marie Stephane2

Affiliation:

1. EDF/R&D MMC Departmenent , Les Renardières, Moret sur Loing, Cedex 77818, France

2. FRAMATOME , 1, place Jean Millier, Paris La Defense 92084, France

Abstract

Abstract This paper describes an optimization scheme for the J parameter calculation of cracks postulated in complex geometrical configurations such as elbow entries/exits and/or thickness transitions. The principle of this scheme comes from the RSE-M/5.4 Appendix allowing the definition of a specific compendium for given configurations. After a detailed presentation of the numerical protocol, an illustration of the required effort and the potential benefits is proposed for an elbow configuration. It is then shown that: The effort is significant but can be anticipated and automated and The potential benefit in terms of applied J is significant (a ratio of three in the proposed application).

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Reference13 articles.

1. RSE-M/RCC-MRx Analytical Scheme for the J Parameter Calculation on Cracked Pipes and Vessels Submitted to Through Thickness Thermal Loading;SMIRT 23,2015

2. French RSE-M and RCC-MR Code Appendices for Flaw Analysis: Presentation of the Fracture Parameters Calculation—Part V: Elements of Validation;Int. J. Pressure Vessels Piping,2007

3. Benchmark on Analytical Calculation of Fracture Mechanics Parameters KJ and J for Cracked Piping Components – Final Results and Conclusions;SMIRT 23,2015

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