PSI - Issue 68

Saeid Hadidimoud et al. / Procedia Structural Integrity 68 (2025) 788–794 Saeid Hadidimoud et al./ Structural Integrity Procedia 00 (2025) 000–000

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Fig. 3. (a) yield curves of closed-end thick-walled cylinders under combined loading; (b) yield curves of open-end thick-walled cylinders under combined loading.

The results of the finite element analysis and approximate analytical solutions (Gao et al. 2008) for a circumferentially cracked cylinder in the case of closed-end cylinders are provided in figures 4 and 5:

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Fig. 4. (a) Yield curves for inner and inner pressurized hoop crack in closed-end cylinders; (b) yield curves for outer hoop crack in closed-end cylinders

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Fig. 5. (a) influence of strain hardening on the limit pressure of cylinders; (b) influence of strain hardening on the yield curves of open-end and closed-end cylinders under combined loading.