Print Email Facebook Twitter Numerical investigation of residual ultimate strength of dented metallic pipes subjected to pure bending Title Numerical investigation of residual ultimate strength of dented metallic pipes subjected to pure bending Author Cai, J. (TU Delft Transport Engineering and Logistics) Jiang, X. (TU Delft Transport Engineering and Logistics) Lodewijks, G. (University of New South Wales) Date 2018 Abstract A dent is one of the main structural damages that may affect ultimate strength. In this paper, the residual ultimate strength of dented metallic pipes subjected to a bending moment is quantitatively investigated. The numerical model is developed accounting for the variation of the dent length (ld), dent depth (dd), dent width (wd), dent rotation angle (θd) and dent location based on ABAQUS Python. The numerical model is validated by test results from a four-point bending test. Subsequently, a parametric investigation is performed on the effects of wave-type initial imperfection, D/t and dent geometrical parameters. It is found that both ld and dd have a significant effect on the residual ultimate strength of dented metallic pipes, while the effect of wd is slight. Finally, an empirical formula with respect to ld and dd has been proposed for the prediction of bending moment, which can be deployed for practical purposes. Subject bending momentdentempirical formulametallic pipenonlinear FEMResidual ultimate strength To reference this document use: http://resolver.tudelft.nl/uuid:dc92bab4-17e5-43d2-afa0-e43c9d6cbb6d DOI https://doi.org/10.1080/17445302.2018.1430200 ISSN 1744-5302 Source Ships and Offshore Structures, 13 (5), 519-531 Part of collection Institutional Repository Document type journal article Rights © 2018 J. Cai, X. Jiang, G. Lodewijks Files PDF Numerical_investigation_o ... ending.pdf 1.95 MB Close viewer /islandora/object/uuid:dc92bab4-17e5-43d2-afa0-e43c9d6cbb6d/datastream/OBJ/view