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A Nonlinear Analytical Model for Flexible Pipe Crushing Analysis

[+] Author Affiliations
Celso P. Pesce, Guilherme R. Franzini, Marcos A. Rabelo, Roberto Ramos, Jr., Rodolfo T. Gonçalves

University of São Paulo, São Paulo, SP, Brazil

Rafael Tanaka, Teófilo Barbosa, Carlos A. Godinho

Prysmian Cables and Systems, Vila Velha, ES, Brazil

Paper No. OMAE2012-83701, pp. 569-583; 15 pages
doi:10.1115/OMAE2012-83701
From:
  • ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 3: Pipeline and Riser Technology
  • Rio de Janeiro, Brazil, July 1–6, 2012
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4490-8
  • Copyright © 2012 by ASME

abstract

This paper discusses a nonlinear analytical model for flexible pipe crushing analysis, improving analytical models previously published in OMAE2003, 2010 and 2011. Following that path, and still based on the concept of equivalent pipes and rings, the present model discusses a strategy to cope with an elastic-to-plastic analysis. Such a model considers the combined action of squeezing and concentrated loads applied as representing those due to the caterpillar shoes. Experimental results and finite element analysis are used to assess the pertinence of analytical modeling hypotheses.

Copyright © 2012 by ASME
Topics: Pipes

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