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Validation of Solid Modeling and Analysis Techniques for Response Prediction of Deepwater Flexible Pipe

[+] Author Affiliations
Adrian Connaire, John Smyth, Ruairi Nestor

MCS Kenny, Galway, Ireland

Rafael Tanaka, Elson Albuquerque

Prysmian Cables & Systems, Vila Velha, Brazil

Paper No. OMAE2013-10750, pp. V04AT04A054; 7 pages
doi:10.1115/OMAE2013-10750
From:
  • ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 4A: Pipeline and Riser Technology
  • Nantes, France, June 9–14, 2013
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5536-2
  • Copyright © 2013 by ASME

abstract

Accurate prediction of the load capacity of the constituent components of flexible risers and flowline structures is critical in demonstrating fitness for purpose, particularly as the envelope of application of flexible pipe is being extended to incorporate higher flow rates, greater water depths, more aggressive fluid contents and challenging installation conditions. Analytical techniques and numerical solid modelling methods have evolved significantly in recent years as a means of improving the ability to accurately predict flexible pipe load capacity.

Due to the complexity of the flexible pipe structure and the load sources and load paths to which it can be subjected, different analysis methods are required, depending on the type of response being evaluated. Specific effects can be difficult to simulate using analytical approaches and require local stress analysis using numerical techniques. This paper presents numerical approaches to two such effects, the extreme loading of tensile armour wires within a flexible pipe end fitting and the stability of tensile armour wires in axial compression.

Copyright © 2013 by ASME
Topics: Pipes , Solid modeling

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