.... As a result, detailed modeling of CIC has not been studied extensively. In this study, the extended finite element method (XFEM) has been applied to predict the failure pressures of CIC defects in API 5 L Grade X42 and X52 pipes. The pipes were only subjected to internal pressure and the XFEM models were...

... was conducted for the damage of PE pipe subjected to land subsidence. Specifically, a static damage model was proposed based on failure pressure. Then, a finite element model of the buried PE pipe was established to calculate the failure pressure of smooth or notched pipe. Finally, the damage of the buried PE...

...M. Bony; J. L. Alamilla; R. Vai; E. Flores Simple and accurate approaches to predict failure pressures in corroded pipelines are outlined in this work. It is shown that failure pressures for corroded pipelines can be predicted from the solution for undamaged pipelines using an equivalent wall...

...-thinned elbows is important to understand failure behavior and to evaluate the failure pressure reliably. This study includes a series of burst tests using full-scale 4-in. schedule 80 elbow specimens with local wall-thinning under combined internal pressure and in-plane bending load. The results...

...J. Oliveros; J. L. Alamilla; E. Astudillo; O. Flores The mathematical model to predict failure pressures in corroded pipelines proposed in this work is based on the analysis of the original model by Cronin and Pick. New definitions and interpretations in order to obtain this new model are given...