期刊
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING
卷 54, 期 1, 页码 61-88出版社
WILEY-BLACKWELL
DOI: 10.1002/nme.415
关键词
flexible pipelines; marine cables and risers; buoyancy forces; hydrostatic pressure; large displacements; co-rotational finite element method; conservative forces
Many analysts use simple lower-order beam elements for the non-linear analysis of curved beam and arch structures. The aim of the present paper is to indicate how one may add the effects of buoyancy, steady-state current loading and riser top-tension to such an idealization so that it may be used for the analysis of offshore pipes and risers. The current work is restricted to static two-dimensional modelling but it paves the way for further work in three dimensions, which will include dynamics. Copyright (C) 2002 John Wiley Sons, Ltd.
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