Static structural analysis of S-lay pipe laying with a tensioner model based on the frictional contact

Authors

  • Stefan Ivić Faculty of Engineering, University of Rijeka
  • Marko Čanađija Faculty of Engineering, University of Rijeka
  • Siniša Družeta Faculty of Engineering, University of Rijeka

Keywords:

pipe laying, S-lay, Abaqus, geometric nonlinearity, contacts, friction

Abstract

Static structural analysis of a pipe during laying is usually performed by use of finite element analysis tools specialized for this purpose. In this paper, Abaqus/CAE, which is a general purpose FEA software, was used for a static non-linear structural analysis of a pipe during pipe laying. The pipe is modeled as a geometrically non-linear elastic beam supported by a vessel and its stinger in the overbend region and by the seabed in the sagbend region. We propose a new method for tensioner modeling based on friction contacts between the pipe and the tensioner. Contact interactions between the pipe and rollers, as well as between the pipe and the seabed, are also considered. Basic static analysis is enhanced with floating stinger implementation, a non-flat seabed profile and buoyancy tanks application. The model results for various test cases of pipe laying are compared with an industry standard pipe laying modeling tool.

Author Biographies

Stefan Ivić, Faculty of Engineering, University of Rijeka

Department of Fluid Mechanics and Computational Engineering

Marko Čanađija, Faculty of Engineering, University of Rijeka

Department of Engineering Mechanics

Siniša Družeta, Faculty of Engineering, University of Rijeka

Department of Fluid Mechanics and Computational Engineering

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Published

2014-09-15

Issue

Engineering Review, Vol. 34, No. 3

Section

Articles

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