IMECH-IR  > 环境力学重点实验室(2009-2011)
Modeling and analysis of a free spaning pipeline with randomly distributed corrosion
Li L(李磊); Lin M(林缅); Lin, M.
Source PublicationProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Conference NameASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2010
Conference DateJune 6, 2010 - June 11, 2010
Conference PlaceShanghai, China
AbstractSome corrosion defects will appear outside the aged submarine pipelines due to the corrosive sea environment. These defects can depress the strength and integration of the pipeline systems. This paper establishes a novel model using finite element method to describe the corroded pipelines with randomly distributed corrosion defects according to the probability function. Several free spanning pipelines models with random corrosion of different distributed parameters (averaged value and variance) are presented. Then the displacement and stress distribution of the pipelines are calculated subject to external fluid forces. The wet modes are calculated subsequently. At last the effects of the characteristic parameters of corrosion defects are discussed by analyzing the present results. Some conclusion may be useful for perceiving the randomly distributed corrosion how to affect the pipelines operation status. © 2010 by ASME.
KeywordCharacteristic Parameter Corroded Pipelines Corrosion Defect Distributed Parameter Fluid Forces Free Spaning Pipelines Free Spanning Pipelines Modeling And Analysis Operation Status Pipe-line Systems Probability Functions Randomly Distributed
Indexed ByEI
Document Type会议论文
Corresponding AuthorLin, M.
Recommended Citation
GB/T 7714
Li L,Lin M,Lin, M.. Modeling and analysis of a free spaning pipeline with randomly distributed corrosion[C],2010.
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