Abstract

Deepwater pipelines are normally subjected to external pressure and bending. They fail due to structural collapse when the external loading exceeds the pipes collapse limit surface. For seamless steel pipes, the influence on this limit surface of manufacturing imperfections has been thoroughly studied using finite element models that have been validated via laboratory full-scale tests, as it was shown in Chap. 4.KeywordsResidual StressFinite Element ModelFinite StrainEquilibrium PathFinite Element ResultThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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