In industrial structures, the presence of cracks under critical loads leads to complete ruin. Fracture mechanics allows the study of macroscopic defect damage. This requires the knowledge of the stress fields and the deformations near the crack. Our work is an application of fracture mechanics into the domain of the pressurized structures with defects. Design of this type of structures is subjected to standards, codes and regulations driven by the potential risks which they represent. The knowledge of the pressure limit in these structures allows respecting the safety domain. We present in this paper the numerical solutions and experimental results for stress distribution at defect tip. The structure's elastic and elasto-plastic modelling will be treated by the finite element simulation. In the elastic case, we study the influence of the geometrical parameters for axial and circumferential cracks and determine the elastic integral J. Measures of strains near defects in the studied model have been made by strain gauges. The experimental results validate the numerical simulations. In addition, acoustic emission is used to define sensitive zones and to control defect evolution during the test until failure in the structure.
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References
B. Raj, K. Bhanu, S. Roa, T. Jayakuma, and R. K. Dayal, Materiel’s ageing and life management, 2 (2000).
V. Kumar, M. D. German, and C. F. Shih, An engineering approach of elastic plastic fracture mechanics, NP 1931, Res.Pr.1237-1- EPRI (1981).
I. Delvallee, Thèse, “Nocivité d’un défaut semi elliptique complexe dans une coque cylindrique fermée soumise à une pression interne” (September 1999).
R. A. Ainsworth, The assessment of defects in structures of strain hardening material, Engineering Fracture Mechanics, 19(4), pp. 633-642 (1984).
D. Moulin, B. Drubray, and M. Nedelec, Méthode pratique de calcul de J, in Annexe du RCCMR: Méthode J s .
B. Drubay, Guide pour l’analyse de la nocivité des défauts et la fuite avant rupture, troisième préliminaire CEA (December 1995).
I. Milne, R. A. Ainsworth, A. R. Dowlind, and A. T. Stewart, Background to and validation of G.EG.B report R/H/R6-Revision 3, International Journal of Pressure Vessel and Piping, 32, pp. 105-196 (1988).
R. A. Ainsworth, U. Zerst, and K. H. Schwalbe, Basic principles of flaw assessment methods, International Journal of Pressure Vessels and Piping, 77, pp. 855-867 (2000).
A. EL Hakimi, Ph.d Thesis, Étude numérique et expérimentale de la nocivité des défauts dans des coques cylindriques et sphériques sous pression (June 2006).
A. Saffih and S. Hariri, Numerical study of elliptic cracks in cylinders with a thickness transition International Journal of Pressure Vessels and Piping, pp. 35-41 (January 2006).
A. Saffih and S. Hariri, Comparison of semi-elliptic cracks in cylinders with a thickness transition and in a straight cylinders - elastic-plastic behaviour, Engineering Fracture Mechanics, 73(17), pp. 2685-2697 (November 2006).
A. El Hakimi, S. Hariri, A. Laksimi, P. Le Grognec, and Z. Azari, Étude numérique et semianalytique de la nocivité de défauts dans les coques sphériques, Revue Européenne de Mécanique Numérique, 16/1, pp. 79-101 (2007).
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Elhakimi, A., Moustabchir, H., Hariri, S., Azari, Z. (2008). Failure of Cylindrical Shells: Numerical and Experimental Study. In: Pluvinage, G., Elwany, M.H. (eds) Safety, Reliability and Risks Associated with Water, Oil and Gas Pipelines. NATO Science for Peace and Security Series. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6526-2_4
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DOI: https://doi.org/10.1007/978-1-4020-6526-2_4
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