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Title:
Modeling and analysis of a free spaning pipeline with randomly distributed corrosion
Author: Li L(李磊); Lin M(林缅)
Issued Date: 2010
Conference Name: ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2010
Conference Date: June 6, 2010 - June 11, 2010
Conference Place: Shanghai, China
Abstract: Some 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.
Keyword: Characteristic 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 Type: EI
Corresponding Author: Lin, M.
Related URLs: 查看原文
Source: Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Language: 英语
Department: LMFS海洋环境与工程(LEM)
ISBN: 9780791849125
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/60352
Appears in Collections:环境力学重点实验室(2009-2011)_会议论文

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Recommended Citation:
Li L,Lin M. Modeling and analysis of a free spaning pipeline with randomly distributed corrosion[C]. 见:ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2010. Shanghai, China. June 6, 2010 - June 11, 2010.10.1115/OMAE2010-20781
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