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Crushing and Wet Collapse of Flowline Carcasses: A Theoretical-Experimental Approach

[+] Author Affiliations
Celso P. Pesce, Clóvis A. Martins, Alfredo Gay Neto, André L. C. Fujarra, Fernanda C. M. Takafuji, Guilherme R. Franzini

University of São Paulo, São Paulo, SP, Brazil

Teófilo Barbosa, Carlos A. Godinho

Prysmian Cables and Systems, Vila Velha, ES, Brazil

Paper No. OMAE2010-20423, pp. 521-529; 9 pages
doi:10.1115/OMAE2010-20423
From:
  • ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering
  • 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 5, Parts A and B
  • Shanghai, China, June 6–11, 2010
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4913-2 | eISBN: 978-0-7918-3873-0
  • Copyright © 2010 by ASME

abstract

The present paper brings together theoretical predictions and experimental results, comparing crushing tests results as well as carcass wet collapse tests. The theoretical models are of two kinds: (i) numerical (FE) and (ii) analytical. The first kind is a restricted 3D version of a finite element model. The second kind is based on classic assumptions of equivalent ring behavior. Discussion is made on the real yield stress value to be adopted, as well as on the pertinence of geometric hypotheses. Sensitivity analyses, regarding ovalization and helical pitch are also presented.

Copyright © 2010 by ASME
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