Optimization of Steel Catenary Risers for Offshore Oil Production Using Artificial Immune System

  • Ian N. Vieira
  • Beatriz S. L. P. de Lima
  • Breno P. Jacob
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5132)


This work presents an application of Artificial Immune System (AIS) using Clonalg to the synthesis and optimization procedure of a Steel Catenary Riser (SCR) for floating oil production systems at deep and ultra-deep waters. The evaluation of the behavior of riser configurations, needed for the calculation of the fitness function in the optimization procedure by an evolutionary algorithm, requires a large number of time-consuming Finite Element analyses. Therefore, it is important to reduce the number of analyses; in this paper, the effectiveness of AIS for this purpose is assessed in this real-world industrial application. The results indicate that the AIS approach is more effective than Genetic Algorithms (GA), generating better solutions with smaller number of evaluations.


Artificial immune System Optimization Steel Catenary Risers 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Ian N. Vieira
    • 1
  • Beatriz S. L. P. de Lima
    • 1
    • 2
  • Breno P. Jacob
    • 1
  1. 1.COPPE and Polytechnic School /Federal University of Rio de JaneiroRio de JaneiroBrazil
  2. 2.Polytechnic School /Federal University of Rio de JaneiroRio de JaneiroBrazil

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