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Multi-Objective Optimization of Subsea Pipeline Routes in Shallow Waters

[+] Author Affiliations
Juliana Souza Baioco, Carl Horst Albrecht, Beatriz Souza Leite Pires de Lima, Breno Pinheiro Jacob

LAMCSO/COPPE/UFRJ, Rio de Janeiro, Brazil

Djalene Maria Rocha

CENPES/Petrobras, Rio de Janeiro, Brazil

Paper No. OMAE2017-61483, pp. V001T01A018; 13 pages
doi:10.1115/OMAE2017-61483
From:
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5763-2
  • Copyright © 2017 by ASME

abstract

This paper presents recent advances regarding a computational tool, based in Evolutionary Algorithms, for the synthesis and optimization of submarine pipeline routes. Previous works by the authors have focused on some specific issues related to the development of this tool, including the incorporation of engineering criteria such as on-bottom stability (OBS), VIV-induced fatigue in free-spanning pipelines, and flow assurance. Now, this work studies the influence of different OBS criteria for particular scenarios in shallow waters, where it is expected that the environmental loads of wave and current play a more important role on the hydrodynamic stability of the pipe. Case studies are presented, to compare the influence of OBS criteria proposed by the DNV RP-F109 code (Absolute Lateral Static Stability, and Generalized Lateral Stability), both implemented into a multi-objective procedure (using specialized algorithms based on the Pareto approach) along with other engineering criteria (VIV-induced fatigue and multiphase flow).

Copyright © 2017 by ASME

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