Author： Hosseini Kordkheili S.
Publisher： Springer Publishing Company
ISSN： 0939-1533
Source： Archive of Applied Mechanics, Vol.78, Iss.10, 2008-10, pp. : 765-774
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Abstract
A non-linear finite element static analysis for flexible risers with large displacements is presented using a four-node pipe elbow element with 24 degrees of freedom. A pipe-soil interaction model is used to identify seabed boundary condition. The effects of buoyancy force as well as steady-state current loading are considered in the finite element solution for riser structures response. In fact considering buoyancy force among with current loading and seabed interaction boundary condition in this paper leads to a particular formulation. The resulting formulation has been implemented in a finite element code which is subsequently used to model and analyze some typical riser configurations. The results of some sample solutions are given to illustrate the accuracy and capability of the formulation.
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