文档介绍：Ocean Engineering 38 (2011) 1397–1402
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Ocean Engineering
journal homepage: ate/oceaneng
Numerical and experimental analysis of the static behavior of highly
deformed risers
. Santillan a, . Virgin b,Ã
a Department of Mechanical Engineering, United States Naval Academy, Annapolis, MD 21402, United States
b Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708, United States
article info abstract
Article history: This paper models a slender, flexible structure used as a drill string or riser in the offshore oil and gas
Received 24 August 2010 industry that connects the well-head with a floating control vessel. These systems are used in deep-
Accepted 26 June 2011 water drilling applications and present considerable design challenges due to their extreme flexibility
Editor-in-Chief: . Incecik and susceptibility to buckling and vibration. Two typical configurations are used (Bai and Bai, 2005),
Available online 23 July 2011
with mon feature involving the attachment of a buoy designed to relieve some of the axial forces
Keywords: acting on the riser, especially at the attachment points. Previous work by the authors studied numerical
Geometric nonlinearity results of small-amplitude vibrations and two other equilibrium configurations using parameter values
Elastica that closely resemble the f